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Finding the Fourth Proportional to 535,693.60, 803,569.56 and 161,706.88

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Solution

The fourth proportional to 535,693.60, 803,569.56 and 161,706.88 is: 242,569.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,693.60 : 803,569.56 = 161,706.88 : x
  2. Step 2: Convert to fraction form
    535,693.60/803,569.56 = 161,706.88/x
  3. Step 3: Cross multiply
    535,693.60x = 803,569.56 × 161,706.88
  4. Step 4: Simplify right side
    535,693.60x = 129,942,726,410.57
  5. Step 5: Solve for x
    x = 129,942,726,410.57/535,693.60
  6. Step 6: Final answer
    x = 242,569.12

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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.