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Finding the Fourth Proportional to 447,897.76, 618,098.94 and 246,693.76

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Solution

The fourth proportional to 447,897.76, 618,098.94 and 246,693.76 is: 340,437.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,897.76 : 618,098.94 = 246,693.76 : x
  2. Step 2: Convert to fraction form
    447,897.76/618,098.94 = 246,693.76/x
  3. Step 3: Cross multiply
    447,897.76x = 618,098.94 × 246,693.76
  4. Step 4: Simplify right side
    447,897.76x = 152,481,151,560.61
  5. Step 5: Solve for x
    x = 152,481,151,560.61/447,897.76
  6. Step 6: Final answer
    x = 340,437.41

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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.