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Finding the Fourth Proportional to 435,701.90, 653,552.85 and 155,228.30

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Solution

The fourth proportional to 435,701.90, 653,552.85 and 155,228.30 is: 232,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,701.90 : 653,552.85 = 155,228.30 : x
  2. Step 2: Convert to fraction form
    435,701.90/653,552.85 = 155,228.30/x
  3. Step 3: Cross multiply
    435,701.90x = 653,552.85 × 155,228.30
  4. Step 4: Simplify right side
    435,701.90x = 101,449,897,865.66
  5. Step 5: Solve for x
    x = 101,449,897,865.66/435,701.90
  6. Step 6: Final answer
    x = 232,842.45

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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.