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Finding the Fourth Proportional to 375,567.12, 518,295.24 and 205,799.76

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Solution

The fourth proportional to 375,567.12, 518,295.24 and 205,799.76 is: 284,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,567.12 : 518,295.24 = 205,799.76 : x
  2. Step 2: Convert to fraction form
    375,567.12/518,295.24 = 205,799.76/x
  3. Step 3: Cross multiply
    375,567.12x = 518,295.24 × 205,799.76
  4. Step 4: Simplify right side
    375,567.12x = 106,665,036,001.14
  5. Step 5: Solve for x
    x = 106,665,036,001.14/375,567.12
  6. Step 6: Final answer
    x = 284,010.58

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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.