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Finding the Fourth Proportional to 461,844.80, 691,730.40 and 461,844.80

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Solution

The fourth proportional to 461,844.80, 691,730.40 and 461,844.80 is: 691,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,844.80 : 691,730.40 = 461,844.80 : x
  2. Step 2: Convert to fraction form
    461,844.80/691,730.40 = 461,844.80/x
  3. Step 3: Cross multiply
    461,844.80x = 691,730.40 × 461,844.80
  4. Step 4: Simplify right side
    461,844.80x = 319,472,088,241.92
  5. Step 5: Solve for x
    x = 319,472,088,241.92/461,844.80
  6. Step 6: Final answer
    x = 691,730.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.