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Finding the Fourth Proportional to 491,132.70, 736,699.05 and 175,599.90

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Solution

The fourth proportional to 491,132.70, 736,699.05 and 175,599.90 is: 263,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,132.70 : 736,699.05 = 175,599.90 : x
  2. Step 2: Convert to fraction form
    491,132.70/736,699.05 = 175,599.90/x
  3. Step 3: Cross multiply
    491,132.70x = 736,699.05 × 175,599.90
  4. Step 4: Simplify right side
    491,132.70x = 129,364,279,510.10
  5. Step 5: Solve for x
    x = 129,364,279,510.10/491,132.70
  6. Step 6: Final answer
    x = 263,399.85

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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.