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Finding the Fourth Proportional to 480,898.96, 717,796.87 and 424,166.96

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Solution

The fourth proportional to 480,898.96, 717,796.87 and 424,166.96 is: 633,117.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,898.96 : 717,796.87 = 424,166.96 : x
  2. Step 2: Convert to fraction form
    480,898.96/717,796.87 = 424,166.96/x
  3. Step 3: Cross multiply
    480,898.96x = 717,796.87 × 424,166.96
  4. Step 4: Simplify right side
    480,898.96x = 304,465,716,979.49
  5. Step 5: Solve for x
    x = 304,465,716,979.49/480,898.96
  6. Step 6: Final answer
    x = 633,117.86

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.