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Finding the Fourth Proportional to 572,520.60, 858,780.90 and 483,947.10

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Solution

The fourth proportional to 572,520.60, 858,780.90 and 483,947.10 is: 725,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,520.60 : 858,780.90 = 483,947.10 : x
  2. Step 2: Convert to fraction form
    572,520.60/858,780.90 = 483,947.10/x
  3. Step 3: Cross multiply
    572,520.60x = 858,780.90 × 483,947.10
  4. Step 4: Simplify right side
    572,520.60x = 415,604,526,090.39
  5. Step 5: Solve for x
    x = 415,604,526,090.39/572,520.60
  6. Step 6: Final answer
    x = 725,920.65

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Half scale
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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.