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Finding the Fourth Proportional to 435,468.06, 653,243.16 and 169,248.96

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Solution

The fourth proportional to 435,468.06, 653,243.16 and 169,248.96 is: 253,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,468.06 : 653,243.16 = 169,248.96 : x
  2. Step 2: Convert to fraction form
    435,468.06/653,243.16 = 169,248.96/x
  3. Step 3: Cross multiply
    435,468.06x = 653,243.16 × 169,248.96
  4. Step 4: Simplify right side
    435,468.06x = 110,560,725,457.11
  5. Step 5: Solve for x
    x = 110,560,725,457.11/435,468.06
  6. Step 6: Final answer
    x = 253,889.40

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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.