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Finding the Fourth Proportional to 423,771, 584,803.98 and 232,787.58

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Solution

The fourth proportional to 423,771, 584,803.98 and 232,787.58 is: 321,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,771 : 584,803.98 = 232,787.58 : x
  2. Step 2: Convert to fraction form
    423,771/584,803.98 = 232,787.58/x
  3. Step 3: Cross multiply
    423,771x = 584,803.98 × 232,787.58
  4. Step 4: Simplify right side
    423,771x = 136,135,103,278.57
  5. Step 5: Solve for x
    x = 136,135,103,278.57/423,771
  6. Step 6: Final answer
    x = 321,246.86

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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.