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Finding the Fourth Proportional to 283,332.60, 424,998.90 and 266,711.40

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Solution

The fourth proportional to 283,332.60, 424,998.90 and 266,711.40 is: 400,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,332.60 : 424,998.90 = 266,711.40 : x
  2. Step 2: Convert to fraction form
    283,332.60/424,998.90 = 266,711.40/x
  3. Step 3: Cross multiply
    283,332.60x = 424,998.90 × 266,711.40
  4. Step 4: Simplify right side
    283,332.60x = 113,352,051,617.46
  5. Step 5: Solve for x
    x = 113,352,051,617.46/283,332.60
  6. Step 6: Final answer
    x = 400,067.10

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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.