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Finding the Fourth Proportional to 360,790.56, 497,621.52 and 320,002.08

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Solution

The fourth proportional to 360,790.56, 497,621.52 and 320,002.08 is: 441,363.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,790.56 : 497,621.52 = 320,002.08 : x
  2. Step 2: Convert to fraction form
    360,790.56/497,621.52 = 320,002.08/x
  3. Step 3: Cross multiply
    360,790.56x = 497,621.52 × 320,002.08
  4. Step 4: Simplify right side
    360,790.56x = 159,239,921,452.76
  5. Step 5: Solve for x
    x = 159,239,921,452.76/360,790.56
  6. Step 6: Final answer
    x = 441,363.88

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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.