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Finding the Fourth Proportional to 922,125.50, 1,272,572.08 and 519,717.50

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Solution

The fourth proportional to 922,125.50, 1,272,572.08 and 519,717.50 is: 717,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,125.50 : 1,272,572.08 = 519,717.50 : x
  2. Step 2: Convert to fraction form
    922,125.50/1,272,572.08 = 519,717.50/x
  3. Step 3: Cross multiply
    922,125.50x = 1,272,572.08 × 519,717.50
  4. Step 4: Simplify right side
    922,125.50x = 661,377,979,987.40
  5. Step 5: Solve for x
    x = 661,377,979,987.40/922,125.50
  6. Step 6: Final answer
    x = 717,232.07

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