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Finding the Fourth Proportional to 589,630.30, 884,445.45 and 274,702.30

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Solution

The fourth proportional to 589,630.30, 884,445.45 and 274,702.30 is: 412,053.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,630.30 : 884,445.45 = 274,702.30 : x
  2. Step 2: Convert to fraction form
    589,630.30/884,445.45 = 274,702.30/x
  3. Step 3: Cross multiply
    589,630.30x = 884,445.45 × 274,702.30
  4. Step 4: Simplify right side
    589,630.30x = 242,959,199,339.54
  5. Step 5: Solve for x
    x = 242,959,199,339.54/589,630.30
  6. Step 6: Final answer
    x = 412,053.45

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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.