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Finding the Fourth Proportional to 606,046.30, 909,337.25 and 317,789.12

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Solution

The fourth proportional to 606,046.30, 909,337.25 and 317,789.12 is: 476,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,046.30 : 909,337.25 = 317,789.12 : x
  2. Step 2: Convert to fraction form
    606,046.30/909,337.25 = 317,789.12/x
  3. Step 3: Cross multiply
    606,046.30x = 909,337.25 × 317,789.12
  4. Step 4: Simplify right side
    606,046.30x = 288,977,487,528.54
  5. Step 5: Solve for x
    x = 288,977,487,528.54/606,046.30
  6. Step 6: Final answer
    x = 476,824.11

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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.