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Finding the Fourth Proportional to 435,666.16, 653,539.56 and 169,446.88

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Solution

The fourth proportional to 435,666.16, 653,539.56 and 169,446.88 is: 254,186.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,666.16 : 653,539.56 = 169,446.88 : x
  2. Step 2: Convert to fraction form
    435,666.16/653,539.56 = 169,446.88/x
  3. Step 3: Cross multiply
    435,666.16x = 653,539.56 × 169,446.88
  4. Step 4: Simplify right side
    435,666.16x = 110,740,239,398.57
  5. Step 5: Solve for x
    x = 110,740,239,398.57/435,666.16
  6. Step 6: Final answer
    x = 254,186.00

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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.