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Finding the Fourth Proportional to 283,642.80, 425,464.20 and 233,876.40

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Solution

The fourth proportional to 283,642.80, 425,464.20 and 233,876.40 is: 350,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,642.80 : 425,464.20 = 233,876.40 : x
  2. Step 2: Convert to fraction form
    283,642.80/425,464.20 = 233,876.40/x
  3. Step 3: Cross multiply
    283,642.80x = 425,464.20 × 233,876.40
  4. Step 4: Simplify right side
    283,642.80x = 99,506,035,424.88
  5. Step 5: Solve for x
    x = 99,506,035,424.88/283,642.80
  6. Step 6: Final answer
    x = 350,814.60

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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.