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Finding the Fourth Proportional to 358,792.38, 537,532.20 and 169,409.16

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Solution

The fourth proportional to 358,792.38, 537,532.20 and 169,409.16 is: 253,803.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,792.38 : 537,532.20 = 169,409.16 : x
  2. Step 2: Convert to fraction form
    358,792.38/537,532.20 = 169,409.16/x
  3. Step 3: Cross multiply
    358,792.38x = 537,532.20 × 169,409.16
  4. Step 4: Simplify right side
    358,792.38x = 91,062,878,474.95
  5. Step 5: Solve for x
    x = 91,062,878,474.95/358,792.38
  6. Step 6: Final answer
    x = 253,803.83

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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.