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Finding the Fourth Proportional to 435,706.92, 653,817.12 and 183,031.68

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Solution

The fourth proportional to 435,706.92, 653,817.12 and 183,031.68 is: 274,655.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,706.92 : 653,817.12 = 183,031.68 : x
  2. Step 2: Convert to fraction form
    435,706.92/653,817.12 = 183,031.68/x
  3. Step 3: Cross multiply
    435,706.92x = 653,817.12 × 183,031.68
  4. Step 4: Simplify right side
    435,706.92x = 119,669,245,886.36
  5. Step 5: Solve for x
    x = 119,669,245,886.36/435,706.92
  6. Step 6: Final answer
    x = 274,655.37

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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.