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Finding the Fourth Proportional to 315,140.96, 472,711.20 and 93,524.96

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Solution

The fourth proportional to 315,140.96, 472,711.20 and 93,524.96 is: 140,287.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,140.96 : 472,711.20 = 93,524.96 : x
  2. Step 2: Convert to fraction form
    315,140.96/472,711.20 = 93,524.96/x
  3. Step 3: Cross multiply
    315,140.96x = 472,711.20 × 93,524.96
  4. Step 4: Simplify right side
    315,140.96x = 44,210,296,071.55
  5. Step 5: Solve for x
    x = 44,210,296,071.55/315,140.96
  6. Step 6: Final answer
    x = 140,287.37

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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.