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Finding the Fourth Proportional to 566,671.87, 782,024.39 and 312,032.17

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Solution

The fourth proportional to 566,671.87, 782,024.39 and 312,032.17 is: 430,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,671.87 : 782,024.39 = 312,032.17 : x
  2. Step 2: Convert to fraction form
    566,671.87/782,024.39 = 312,032.17/x
  3. Step 3: Cross multiply
    566,671.87x = 782,024.39 × 312,032.17
  4. Step 4: Simplify right side
    566,671.87x = 244,016,765,844.47
  5. Step 5: Solve for x
    x = 244,016,765,844.47/566,671.87
  6. Step 6: Final answer
    x = 430,613.87

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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.