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Finding the Fourth Proportional to 578,874.85, 868,233.45 and 152,374.96

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Solution

The fourth proportional to 578,874.85, 868,233.45 and 152,374.96 is: 228,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,874.85 : 868,233.45 = 152,374.96 : x
  2. Step 2: Convert to fraction form
    578,874.85/868,233.45 = 152,374.96/x
  3. Step 3: Cross multiply
    578,874.85x = 868,233.45 × 152,374.96
  4. Step 4: Simplify right side
    578,874.85x = 132,297,037,214.41
  5. Step 5: Solve for x
    x = 132,297,037,214.41/578,874.85
  6. Step 6: Final answer
    x = 228,541.69

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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.