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Finding the Fourth Proportional to 447,901.42, 618,103.92 and 246,697.42

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Solution

The fourth proportional to 447,901.42, 618,103.92 and 246,697.42 is: 340,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,901.42 : 618,103.92 = 246,697.42 : x
  2. Step 2: Convert to fraction form
    447,901.42/618,103.92 = 246,697.42/x
  3. Step 3: Cross multiply
    447,901.42x = 618,103.92 × 246,697.42
  4. Step 4: Simplify right side
    447,901.42x = 152,484,642,355.89
  5. Step 5: Solve for x
    x = 152,484,642,355.89/447,901.42
  6. Step 6: Final answer
    x = 340,442.42

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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.