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Finding the Fourth Proportional to 283,755.60, 425,633.40 and 238,136.40

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Solution

The fourth proportional to 283,755.60, 425,633.40 and 238,136.40 is: 357,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,755.60 : 425,633.40 = 238,136.40 : x
  2. Step 2: Convert to fraction form
    283,755.60/425,633.40 = 238,136.40/x
  3. Step 3: Cross multiply
    283,755.60x = 425,633.40 × 238,136.40
  4. Step 4: Simplify right side
    283,755.60x = 101,358,805,595.76
  5. Step 5: Solve for x
    x = 101,358,805,595.76/283,755.60
  6. Step 6: Final answer
    x = 357,204.60

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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.