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Finding the Fourth Proportional to 623,862.42, 935,793.72 and 150,547.78

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Solution

The fourth proportional to 623,862.42, 935,793.72 and 150,547.78 is: 225,821.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,862.42 : 935,793.72 = 150,547.78 : x
  2. Step 2: Convert to fraction form
    623,862.42/935,793.72 = 150,547.78/x
  3. Step 3: Cross multiply
    623,862.42x = 935,793.72 × 150,547.78
  4. Step 4: Simplify right side
    623,862.42x = 140,881,667,083.94
  5. Step 5: Solve for x
    x = 140,881,667,083.94/623,862.42
  6. Step 6: Final answer
    x = 225,821.69

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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.