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Finding the Fourth Proportional to 584,420.20, 876,630.30 and 374,468.20

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Solution

The fourth proportional to 584,420.20, 876,630.30 and 374,468.20 is: 561,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,420.20 : 876,630.30 = 374,468.20 : x
  2. Step 2: Convert to fraction form
    584,420.20/876,630.30 = 374,468.20/x
  3. Step 3: Cross multiply
    584,420.20x = 876,630.30 × 374,468.20
  4. Step 4: Simplify right side
    584,420.20x = 328,270,170,506.46
  5. Step 5: Solve for x
    x = 328,270,170,506.46/584,420.20
  6. Step 6: Final answer
    x = 561,702.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.