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Finding the Fourth Proportional to 423,755.68, 584,785.56 and 232,767.40

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Solution

The fourth proportional to 423,755.68, 584,785.56 and 232,767.40 is: 321,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,755.68 : 584,785.56 = 232,767.40 : x
  2. Step 2: Convert to fraction form
    423,755.68/584,785.56 = 232,767.40/x
  3. Step 3: Cross multiply
    423,755.68x = 584,785.56 × 232,767.40
  4. Step 4: Simplify right side
    423,755.68x = 136,119,014,358.74
  5. Step 5: Solve for x
    x = 136,119,014,358.74/423,755.68
  6. Step 6: Final answer
    x = 321,220.51

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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.