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Finding the Fourth Proportional to 375,687.18, 518,501.45 and 232,493.36

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Solution

The fourth proportional to 375,687.18, 518,501.45 and 232,493.36 is: 320,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,687.18 : 518,501.45 = 232,493.36 : x
  2. Step 2: Convert to fraction form
    375,687.18/518,501.45 = 232,493.36/x
  3. Step 3: Cross multiply
    375,687.18x = 518,501.45 × 232,493.36
  4. Step 4: Simplify right side
    375,687.18x = 120,548,142,264.10
  5. Step 5: Solve for x
    x = 120,548,142,264.10/375,687.18
  6. Step 6: Final answer
    x = 320,873.72

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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.