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Finding the Fourth Proportional to 713,169.15, 1,069,360.07 and 292,740.27

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Solution

The fourth proportional to 713,169.15, 1,069,360.07 and 292,740.27 is: 438,948.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,169.15 : 1,069,360.07 = 292,740.27 : x
  2. Step 2: Convert to fraction form
    713,169.15/1,069,360.07 = 292,740.27/x
  3. Step 3: Cross multiply
    713,169.15x = 1,069,360.07 × 292,740.27
  4. Step 4: Simplify right side
    713,169.15x = 313,044,754,155.32
  5. Step 5: Solve for x
    x = 313,044,754,155.32/713,169.15
  6. Step 6: Final answer
    x = 438,948.82

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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.