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Finding the Fourth Proportional to 616,252.80, 924,379.20 and 512,572.80

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Solution

The fourth proportional to 616,252.80, 924,379.20 and 512,572.80 is: 768,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,252.80 : 924,379.20 = 512,572.80 : x
  2. Step 2: Convert to fraction form
    616,252.80/924,379.20 = 512,572.80/x
  3. Step 3: Cross multiply
    616,252.80x = 924,379.20 × 512,572.80
  4. Step 4: Simplify right side
    616,252.80x = 473,811,634,805.76
  5. Step 5: Solve for x
    x = 473,811,634,805.76/616,252.80
  6. Step 6: Final answer
    x = 768,859.20

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Similar ratio
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1.5x scale

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.