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Finding the Fourth Proportional to 342,048.60, 472,023.90 and 189,096.30

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Solution

The fourth proportional to 342,048.60, 472,023.90 and 189,096.30 is: 260,951.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,048.60 : 472,023.90 = 189,096.30 : x
  2. Step 2: Convert to fraction form
    342,048.60/472,023.90 = 189,096.30/x
  3. Step 3: Cross multiply
    342,048.60x = 472,023.90 × 189,096.30
  4. Step 4: Simplify right side
    342,048.60x = 89,257,973,001.57
  5. Step 5: Solve for x
    x = 89,257,973,001.57/342,048.60
  6. Step 6: Final answer
    x = 260,951.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.