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Finding the Fourth Proportional to 352,346.76, 528,518.52 and 99,626.76

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Solution

The fourth proportional to 352,346.76, 528,518.52 and 99,626.76 is: 149,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,346.76 : 528,518.52 = 99,626.76 : x
  2. Step 2: Convert to fraction form
    352,346.76/528,518.52 = 99,626.76/x
  3. Step 3: Cross multiply
    352,346.76x = 528,518.52 × 99,626.76
  4. Step 4: Simplify right side
    352,346.76x = 52,654,587,747.60
  5. Step 5: Solve for x
    x = 52,654,587,747.60/352,346.76
  6. Step 6: Final answer
    x = 149,439.68

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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.