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Finding the Fourth Proportional to 360,444.99, 497,179.75 and 231,178.71

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Solution

The fourth proportional to 360,444.99, 497,179.75 and 231,178.71 is: 318,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,444.99 : 497,179.75 = 231,178.71 : x
  2. Step 2: Convert to fraction form
    360,444.99/497,179.75 = 231,178.71/x
  3. Step 3: Cross multiply
    360,444.99x = 497,179.75 × 231,178.71
  4. Step 4: Simplify right side
    360,444.99x = 114,937,373,243.12
  5. Step 5: Solve for x
    x = 114,937,373,243.12/360,444.99
  6. Step 6: Final answer
    x = 318,876.32

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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.