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Finding the Fourth Proportional to 584,420.10, 876,630.15 and 484,692.90

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Solution

The fourth proportional to 584,420.10, 876,630.15 and 484,692.90 is: 727,039.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,420.10 : 876,630.15 = 484,692.90 : x
  2. Step 2: Convert to fraction form
    584,420.10/876,630.15 = 484,692.90/x
  3. Step 3: Cross multiply
    584,420.10x = 876,630.15 × 484,692.90
  4. Step 4: Simplify right side
    584,420.10x = 424,896,409,630.94
  5. Step 5: Solve for x
    x = 424,896,409,630.94/584,420.10
  6. Step 6: Final answer
    x = 727,039.35

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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.