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Finding the Fourth Proportional to 435,756.07, 653,487.10 and 165,820.12

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Solution

The fourth proportional to 435,756.07, 653,487.10 and 165,820.12 is: 248,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,756.07 : 653,487.10 = 165,820.12 : x
  2. Step 2: Convert to fraction form
    435,756.07/653,487.10 = 165,820.12/x
  3. Step 3: Cross multiply
    435,756.07x = 653,487.10 × 165,820.12
  4. Step 4: Simplify right side
    435,756.07x = 108,361,309,340.45
  5. Step 5: Solve for x
    x = 108,361,309,340.45/435,756.07
  6. Step 6: Final answer
    x = 248,674.24

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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.