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Finding the Fourth Proportional to 634,073.60, 951,109.12 and 154,297.60

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Solution

The fourth proportional to 634,073.60, 951,109.12 and 154,297.60 is: 231,446.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,073.60 : 951,109.12 = 154,297.60 : x
  2. Step 2: Convert to fraction form
    634,073.60/951,109.12 = 154,297.60/x
  3. Step 3: Cross multiply
    634,073.60x = 951,109.12 × 154,297.60
  4. Step 4: Simplify right side
    634,073.60x = 146,753,854,554.11
  5. Step 5: Solve for x
    x = 146,753,854,554.11/634,073.60
  6. Step 6: Final answer
    x = 231,446.09

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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.