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Finding the Fourth Proportional to 488,047.20, 732,070.80 and 411,064.80

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Solution

The fourth proportional to 488,047.20, 732,070.80 and 411,064.80 is: 616,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,047.20 : 732,070.80 = 411,064.80 : x
  2. Step 2: Convert to fraction form
    488,047.20/732,070.80 = 411,064.80/x
  3. Step 3: Cross multiply
    488,047.20x = 732,070.80 × 411,064.80
  4. Step 4: Simplify right side
    488,047.20x = 300,928,536,987.84
  5. Step 5: Solve for x
    x = 300,928,536,987.84/488,047.20
  6. Step 6: Final answer
    x = 616,597.20

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Similar ratio
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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.