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Finding the Fourth Proportional to 447,901.50, 618,104.08 and 246,697.50

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Solution

The fourth proportional to 447,901.50, 618,104.08 and 246,697.50 is: 340,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,901.50 : 618,104.08 = 246,697.50 : x
  2. Step 2: Convert to fraction form
    447,901.50/618,104.08 = 246,697.50/x
  3. Step 3: Cross multiply
    447,901.50x = 618,104.08 × 246,697.50
  4. Step 4: Simplify right side
    447,901.50x = 152,484,730,659.06
  5. Step 5: Solve for x
    x = 152,484,730,659.06/447,901.50
  6. Step 6: Final answer
    x = 340,442.55

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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.