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Finding the Fourth Proportional to 542,212.04, 813,426.78 and 187,239.08

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Solution

The fourth proportional to 542,212.04, 813,426.78 and 187,239.08 is: 280,896.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,212.04 : 813,426.78 = 187,239.08 : x
  2. Step 2: Convert to fraction form
    542,212.04/813,426.78 = 187,239.08/x
  3. Step 3: Cross multiply
    542,212.04x = 813,426.78 × 187,239.08
  4. Step 4: Simplify right side
    542,212.04x = 152,305,281,934.56
  5. Step 5: Solve for x
    x = 152,305,281,934.56/542,212.04
  6. Step 6: Final answer
    x = 280,896.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.