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Finding the Fourth Proportional to 423,938.31, 585,039.48 and 232,951.68

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Solution

The fourth proportional to 423,938.31, 585,039.48 and 232,951.68 is: 321,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,938.31 : 585,039.48 = 232,951.68 : x
  2. Step 2: Convert to fraction form
    423,938.31/585,039.48 = 232,951.68/x
  3. Step 3: Cross multiply
    423,938.31x = 585,039.48 × 232,951.68
  4. Step 4: Simplify right side
    423,938.31x = 136,285,928,858.76
  5. Step 5: Solve for x
    x = 136,285,928,858.76/423,938.31
  6. Step 6: Final answer
    x = 321,475.85

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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.