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Finding the Fourth Proportional to 452,302.52, 678,764.78 and 156,814.52

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Solution

The fourth proportional to 452,302.52, 678,764.78 and 156,814.52 is: 235,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,302.52 : 678,764.78 = 156,814.52 : x
  2. Step 2: Convert to fraction form
    452,302.52/678,764.78 = 156,814.52/x
  3. Step 3: Cross multiply
    452,302.52x = 678,764.78 × 156,814.52
  4. Step 4: Simplify right side
    452,302.52x = 106,440,173,168.61
  5. Step 5: Solve for x
    x = 106,440,173,168.61/452,302.52
  6. Step 6: Final answer
    x = 235,329.60

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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.