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Finding the Fourth Proportional to 348,958.74, 523,438.29 and 112,301.40

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Solution

The fourth proportional to 348,958.74, 523,438.29 and 112,301.40 is: 168,452.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,958.74 : 523,438.29 = 112,301.40 : x
  2. Step 2: Convert to fraction form
    348,958.74/523,438.29 = 112,301.40/x
  3. Step 3: Cross multiply
    348,958.74x = 523,438.29 × 112,301.40
  4. Step 4: Simplify right side
    348,958.74x = 58,782,852,780.61
  5. Step 5: Solve for x
    x = 58,782,852,780.61/348,958.74
  6. Step 6: Final answer
    x = 168,452.16

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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.