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Finding the Fourth Proportional to 283,160.57, 424,242.60 and 266,303.93

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Solution

The fourth proportional to 283,160.57, 424,242.60 and 266,303.93 is: 398,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,160.57 : 424,242.60 = 266,303.93 : x
  2. Step 2: Convert to fraction form
    283,160.57/424,242.60 = 266,303.93/x
  3. Step 3: Cross multiply
    283,160.57x = 424,242.60 × 266,303.93
  4. Step 4: Simplify right side
    283,160.57x = 112,977,469,532.21
  5. Step 5: Solve for x
    x = 112,977,469,532.21/283,160.57
  6. Step 6: Final answer
    x = 398,987.30

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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.