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Finding the Fourth Proportional to 521,593.32, 719,816.49 and 292,160.46

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Solution

The fourth proportional to 521,593.32, 719,816.49 and 292,160.46 is: 403,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,593.32 : 719,816.49 = 292,160.46 : x
  2. Step 2: Convert to fraction form
    521,593.32/719,816.49 = 292,160.46/x
  3. Step 3: Cross multiply
    521,593.32x = 719,816.49 × 292,160.46
  4. Step 4: Simplify right side
    521,593.32x = 210,301,916,833.99
  5. Step 5: Solve for x
    x = 210,301,916,833.99/521,593.32
  6. Step 6: Final answer
    x = 403,191.35

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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.