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Finding the Fourth Proportional to 610,468.40, 915,702.60 and 451,036.10

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Solution

The fourth proportional to 610,468.40, 915,702.60 and 451,036.10 is: 676,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,468.40 : 915,702.60 = 451,036.10 : x
  2. Step 2: Convert to fraction form
    610,468.40/915,702.60 = 451,036.10/x
  3. Step 3: Cross multiply
    610,468.40x = 915,702.60 × 451,036.10
  4. Step 4: Simplify right side
    610,468.40x = 413,014,929,463.86
  5. Step 5: Solve for x
    x = 413,014,929,463.86/610,468.40
  6. Step 6: Final answer
    x = 676,554.15

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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.