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Finding the Fourth Proportional to 349,260.60, 523,890.90 and 159,720.60

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Solution

The fourth proportional to 349,260.60, 523,890.90 and 159,720.60 is: 239,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,260.60 : 523,890.90 = 159,720.60 : x
  2. Step 2: Convert to fraction form
    349,260.60/523,890.90 = 159,720.60/x
  3. Step 3: Cross multiply
    349,260.60x = 523,890.90 × 159,720.60
  4. Step 4: Simplify right side
    349,260.60x = 83,676,168,882.54
  5. Step 5: Solve for x
    x = 83,676,168,882.54/349,260.60
  6. Step 6: Final answer
    x = 239,580.90

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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.