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Finding the Fourth Proportional to 576,714.60, 865,071.90 and 483,402.60

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Solution

The fourth proportional to 576,714.60, 865,071.90 and 483,402.60 is: 725,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,714.60 : 865,071.90 = 483,402.60 : x
  2. Step 2: Convert to fraction form
    576,714.60/865,071.90 = 483,402.60/x
  3. Step 3: Cross multiply
    576,714.60x = 865,071.90 × 483,402.60
  4. Step 4: Simplify right side
    576,714.60x = 418,178,005,646.94
  5. Step 5: Solve for x
    x = 418,178,005,646.94/576,714.60
  6. Step 6: Final answer
    x = 725,103.90

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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.