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Finding the Fourth Proportional to 675,134.88, 931,771.24 and 442,757.24

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Solution

The fourth proportional to 675,134.88, 931,771.24 and 442,757.24 is: 611,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,134.88 : 931,771.24 = 442,757.24 : x
  2. Step 2: Convert to fraction form
    675,134.88/931,771.24 = 442,757.24/x
  3. Step 3: Cross multiply
    675,134.88x = 931,771.24 × 442,757.24
  4. Step 4: Simplify right side
    675,134.88x = 412,548,460,262.17
  5. Step 5: Solve for x
    x = 412,548,460,262.17/675,134.88
  6. Step 6: Final answer
    x = 611,060.80

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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.