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Finding the Fourth Proportional to 431,586.76, 595,567.38 and 238,026.28

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Solution

The fourth proportional to 431,586.76, 595,567.38 and 238,026.28 is: 328,463.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,586.76 : 595,567.38 = 238,026.28 : x
  2. Step 2: Convert to fraction form
    431,586.76/595,567.38 = 238,026.28/x
  3. Step 3: Cross multiply
    431,586.76x = 595,567.38 × 238,026.28
  4. Step 4: Simplify right side
    431,586.76x = 141,760,687,950.75
  5. Step 5: Solve for x
    x = 141,760,687,950.75/431,586.76
  6. Step 6: Final answer
    x = 328,463.94

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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.