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Finding the Fourth Proportional to 423,966.96, 584,489.72 and 338,216.92

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Solution

The fourth proportional to 423,966.96, 584,489.72 and 338,216.92 is: 466,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,966.96 : 584,489.72 = 338,216.92 : x
  2. Step 2: Convert to fraction form
    423,966.96/584,489.72 = 338,216.92/x
  3. Step 3: Cross multiply
    423,966.96x = 584,489.72 × 338,216.92
  4. Step 4: Simplify right side
    423,966.96x = 197,684,312,870.06
  5. Step 5: Solve for x
    x = 197,684,312,870.06/423,966.96
  6. Step 6: Final answer
    x = 466,272.92

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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.