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Finding the Fourth Proportional to 572,029.80, 858,044.70 and 483,456.30

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Solution

The fourth proportional to 572,029.80, 858,044.70 and 483,456.30 is: 725,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,029.80 : 858,044.70 = 483,456.30 : x
  2. Step 2: Convert to fraction form
    572,029.80/858,044.70 = 483,456.30/x
  3. Step 3: Cross multiply
    572,029.80x = 858,044.70 × 483,456.30
  4. Step 4: Simplify right side
    572,029.80x = 414,827,115,896.61
  5. Step 5: Solve for x
    x = 414,827,115,896.61/572,029.80
  6. Step 6: Final answer
    x = 725,184.45

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Double scale
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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.