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Finding the Fourth Proportional to 387,934.92, 535,225.73 and 234,924.30

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Solution

The fourth proportional to 387,934.92, 535,225.73 and 234,924.30 is: 324,120.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,934.92 : 535,225.73 = 234,924.30 : x
  2. Step 2: Convert to fraction form
    387,934.92/535,225.73 = 234,924.30/x
  3. Step 3: Cross multiply
    387,934.92x = 535,225.73 × 234,924.30
  4. Step 4: Simplify right side
    387,934.92x = 125,737,528,787.62
  5. Step 5: Solve for x
    x = 125,737,528,787.62/387,934.92
  6. Step 6: Final answer
    x = 324,120.16

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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.