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Finding the Fourth Proportional to 360,965.70, 541,448.55 and 341,720.10

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Solution

The fourth proportional to 360,965.70, 541,448.55 and 341,720.10 is: 512,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,965.70 : 541,448.55 = 341,720.10 : x
  2. Step 2: Convert to fraction form
    360,965.70/541,448.55 = 341,720.10/x
  3. Step 3: Cross multiply
    360,965.70x = 541,448.55 × 341,720.10
  4. Step 4: Simplify right side
    360,965.70x = 185,023,852,650.86
  5. Step 5: Solve for x
    x = 185,023,852,650.86/360,965.70
  6. Step 6: Final answer
    x = 512,580.15

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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.