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Finding the Fourth Proportional to 283,549.20, 425,323.80 and 266,053.20

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Solution

The fourth proportional to 283,549.20, 425,323.80 and 266,053.20 is: 399,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,549.20 : 425,323.80 = 266,053.20 : x
  2. Step 2: Convert to fraction form
    283,549.20/425,323.80 = 266,053.20/x
  3. Step 3: Cross multiply
    283,549.20x = 425,323.80 × 266,053.20
  4. Step 4: Simplify right side
    283,549.20x = 113,158,758,026.16
  5. Step 5: Solve for x
    x = 113,158,758,026.16/283,549.20
  6. Step 6: Final answer
    x = 399,079.80

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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.