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Finding the Fourth Proportional to 524,031.60, 785,658.60 and 168,841.20

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Solution

The fourth proportional to 524,031.60, 785,658.60 and 168,841.20 is: 253,136.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,031.60 : 785,658.60 = 168,841.20 : x
  2. Step 2: Convert to fraction form
    524,031.60/785,658.60 = 168,841.20/x
  3. Step 3: Cross multiply
    524,031.60x = 785,658.60 × 168,841.20
  4. Step 4: Simplify right side
    524,031.60x = 132,651,540,814.32
  5. Step 5: Solve for x
    x = 132,651,540,814.32/524,031.60
  6. Step 6: Final answer
    x = 253,136.53

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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.