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Finding the Fourth Proportional to 559,358.73, 838,714.10 and 382,079.97

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Solution

The fourth proportional to 559,358.73, 838,714.10 and 382,079.97 is: 572,898.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,358.73 : 838,714.10 = 382,079.97 : x
  2. Step 2: Convert to fraction form
    559,358.73/838,714.10 = 382,079.97/x
  3. Step 3: Cross multiply
    559,358.73x = 838,714.10 × 382,079.97
  4. Step 4: Simplify right side
    559,358.73x = 320,455,856,256.18
  5. Step 5: Solve for x
    x = 320,455,856,256.18/559,358.73
  6. Step 6: Final answer
    x = 572,898.64

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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.