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Finding the Fourth Proportional to 519,567.30, 717,166.17 and 304,794.18

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Solution

The fourth proportional to 519,567.30, 717,166.17 and 304,794.18 is: 420,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,567.30 : 717,166.17 = 304,794.18 : x
  2. Step 2: Convert to fraction form
    519,567.30/717,166.17 = 304,794.18/x
  3. Step 3: Cross multiply
    519,567.30x = 717,166.17 × 304,794.18
  4. Step 4: Simplify right side
    519,567.30x = 218,588,074,708.89
  5. Step 5: Solve for x
    x = 218,588,074,708.89/519,567.30
  6. Step 6: Final answer
    x = 420,711.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.