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Finding the Fourth Proportional to 566,874.16, 782,287.14 and 308,752.12

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Solution

The fourth proportional to 566,874.16, 782,287.14 and 308,752.12 is: 426,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,874.16 : 782,287.14 = 308,752.12 : x
  2. Step 2: Convert to fraction form
    566,874.16/782,287.14 = 308,752.12/x
  3. Step 3: Cross multiply
    566,874.16x = 782,287.14 × 308,752.12
  4. Step 4: Simplify right side
    566,874.16x = 241,532,812,923.74
  5. Step 5: Solve for x
    x = 241,532,812,923.74/566,874.16
  6. Step 6: Final answer
    x = 426,078.36

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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.