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Finding the Fourth Proportional to 535,389.92, 803,238.48 and 202,999.52

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Solution

The fourth proportional to 535,389.92, 803,238.48 and 202,999.52 is: 304,557.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,389.92 : 803,238.48 = 202,999.52 : x
  2. Step 2: Convert to fraction form
    535,389.92/803,238.48 = 202,999.52/x
  3. Step 3: Cross multiply
    535,389.92x = 803,238.48 × 202,999.52
  4. Step 4: Simplify right side
    535,389.92x = 163,057,025,885.53
  5. Step 5: Solve for x
    x = 163,057,025,885.53/535,389.92
  6. Step 6: Final answer
    x = 304,557.52

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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.