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Finding the Fourth Proportional to 318,319.08, 477,508.59 and 93,679.62

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Solution

The fourth proportional to 318,319.08, 477,508.59 and 93,679.62 is: 140,528.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,319.08 : 477,508.59 = 93,679.62 : x
  2. Step 2: Convert to fraction form
    318,319.08/477,508.59 = 93,679.62/x
  3. Step 3: Cross multiply
    318,319.08x = 477,508.59 × 93,679.62
  4. Step 4: Simplify right side
    318,319.08x = 44,732,823,257.94
  5. Step 5: Solve for x
    x = 44,732,823,257.94/318,319.08
  6. Step 6: Final answer
    x = 140,528.25

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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.