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Finding the Fourth Proportional to 357,160.46, 535,822.50 and 154,790.52

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Solution

The fourth proportional to 357,160.46, 535,822.50 and 154,790.52 is: 232,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,160.46 : 535,822.50 = 154,790.52 : x
  2. Step 2: Convert to fraction form
    357,160.46/535,822.50 = 154,790.52/x
  3. Step 3: Cross multiply
    357,160.46x = 535,822.50 × 154,790.52
  4. Step 4: Simplify right side
    357,160.46x = 82,940,243,402.70
  5. Step 5: Solve for x
    x = 82,940,243,402.70/357,160.46
  6. Step 6: Final answer
    x = 232,221.24

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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.