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Finding the Fourth Proportional to 447,904.64, 618,108.38 and 246,700.64

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Solution

The fourth proportional to 447,904.64, 618,108.38 and 246,700.64 is: 340,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,904.64 : 618,108.38 = 246,700.64 : x
  2. Step 2: Convert to fraction form
    447,904.64/618,108.38 = 246,700.64/x
  3. Step 3: Cross multiply
    447,904.64x = 618,108.38 × 246,700.64
  4. Step 4: Simplify right side
    447,904.64x = 152,487,732,935.36
  5. Step 5: Solve for x
    x = 152,487,732,935.36/447,904.64
  6. Step 6: Final answer
    x = 340,446.87

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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.