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Finding the Fourth Proportional to 386,763.36, 533,737.92 and 233,809.92

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Solution

The fourth proportional to 386,763.36, 533,737.92 and 233,809.92 is: 322,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,763.36 : 533,737.92 = 233,809.92 : x
  2. Step 2: Convert to fraction form
    386,763.36/533,737.92 = 233,809.92/x
  3. Step 3: Cross multiply
    386,763.36x = 533,737.92 × 233,809.92
  4. Step 4: Simplify right side
    386,763.36x = 124,793,220,376.17
  5. Step 5: Solve for x
    x = 124,793,220,376.17/386,763.36
  6. Step 6: Final answer
    x = 322,660.40

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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.