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Finding the Fourth Proportional to 516,631.06, 712,702.60 and 444,886.53

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Solution

The fourth proportional to 516,631.06, 712,702.60 and 444,886.53 is: 613,729.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,631.06 : 712,702.60 = 444,886.53 : x
  2. Step 2: Convert to fraction form
    516,631.06/712,702.60 = 444,886.53/x
  3. Step 3: Cross multiply
    516,631.06x = 712,702.60 × 444,886.53
  4. Step 4: Simplify right side
    516,631.06x = 317,071,782,851.13
  5. Step 5: Solve for x
    x = 317,071,782,851.13/516,631.06
  6. Step 6: Final answer
    x = 613,729.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.