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Finding the Fourth Proportional to 922,392.92, 1,272,904.16 and 514,484.26

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Solution

The fourth proportional to 922,392.92, 1,272,904.16 and 514,484.26 is: 709,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,392.92 : 1,272,904.16 = 514,484.26 : x
  2. Step 2: Convert to fraction form
    922,392.92/1,272,904.16 = 514,484.26/x
  3. Step 3: Cross multiply
    922,392.92x = 1,272,904.16 × 514,484.26
  4. Step 4: Simplify right side
    922,392.92x = 654,889,154,808.52
  5. Step 5: Solve for x
    x = 654,889,154,808.52/922,392.92
  6. Step 6: Final answer
    x = 709,989.36

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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.