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Finding the Fourth Proportional to 866,658.80, 1,297,263.56 and 595,197.42

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Solution

The fourth proportional to 866,658.80, 1,297,263.56 and 595,197.42 is: 890,924.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,658.80 : 1,297,263.56 = 595,197.42 : x
  2. Step 2: Convert to fraction form
    866,658.80/1,297,263.56 = 595,197.42/x
  3. Step 3: Cross multiply
    866,658.80x = 1,297,263.56 × 595,197.42
  4. Step 4: Simplify right side
    866,658.80x = 772,127,923,972.02
  5. Step 5: Solve for x
    x = 772,127,923,972.02/866,658.80
  6. Step 6: Final answer
    x = 890,924.92

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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.