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Finding the Fourth Proportional to 542,833.92, 812,325.60 and 353,177.28

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Solution

The fourth proportional to 542,833.92, 812,325.60 and 353,177.28 is: 528,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,833.92 : 812,325.60 = 353,177.28 : x
  2. Step 2: Convert to fraction form
    542,833.92/812,325.60 = 353,177.28/x
  3. Step 3: Cross multiply
    542,833.92x = 812,325.60 × 353,177.28
  4. Step 4: Simplify right side
    542,833.92x = 286,894,945,882.37
  5. Step 5: Solve for x
    x = 286,894,945,882.37/542,833.92
  6. Step 6: Final answer
    x = 528,513.30

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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.