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Finding the Fourth Proportional to 558,598.68, 837,789.89 and 217,041.53

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Solution

The fourth proportional to 558,598.68, 837,789.89 and 217,041.53 is: 325,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,598.68 : 837,789.89 = 217,041.53 : x
  2. Step 2: Convert to fraction form
    558,598.68/837,789.89 = 217,041.53/x
  3. Step 3: Cross multiply
    558,598.68x = 837,789.89 × 217,041.53
  4. Step 4: Simplify right side
    558,598.68x = 181,835,194,269.98
  5. Step 5: Solve for x
    x = 181,835,194,269.98/558,598.68
  6. Step 6: Final answer
    x = 325,520.27

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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.