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Finding the Fourth Proportional to 358,620.43, 537,526.96 and 156,386.72

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Solution

The fourth proportional to 358,620.43, 537,526.96 and 156,386.72 is: 234,404.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,620.43 : 537,526.96 = 156,386.72 : x
  2. Step 2: Convert to fraction form
    358,620.43/537,526.96 = 156,386.72/x
  3. Step 3: Cross multiply
    358,620.43x = 537,526.96 × 156,386.72
  4. Step 4: Simplify right side
    358,620.43x = 84,062,078,185.97
  5. Step 5: Solve for x
    x = 84,062,078,185.97/358,620.43
  6. Step 6: Final answer
    x = 234,404.04

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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.