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Finding the Fourth Proportional to 651,702.20, 977,553.30 and 629,929.40

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Solution

The fourth proportional to 651,702.20, 977,553.30 and 629,929.40 is: 944,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,702.20 : 977,553.30 = 629,929.40 : x
  2. Step 2: Convert to fraction form
    651,702.20/977,553.30 = 629,929.40/x
  3. Step 3: Cross multiply
    651,702.20x = 977,553.30 × 629,929.40
  4. Step 4: Simplify right side
    651,702.20x = 615,789,563,737.02
  5. Step 5: Solve for x
    x = 615,789,563,737.02/651,702.20
  6. Step 6: Final answer
    x = 944,894.10

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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.