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Finding the Fourth Proportional to 283,326.12, 425,579.40 and 239,039.64

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Solution

The fourth proportional to 283,326.12, 425,579.40 and 239,039.64 is: 359,057.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,326.12 : 425,579.40 = 239,039.64 : x
  2. Step 2: Convert to fraction form
    283,326.12/425,579.40 = 239,039.64/x
  3. Step 3: Cross multiply
    283,326.12x = 425,579.40 × 239,039.64
  4. Step 4: Simplify right side
    283,326.12x = 101,730,346,567.42
  5. Step 5: Solve for x
    x = 101,730,346,567.42/283,326.12
  6. Step 6: Final answer
    x = 359,057.42

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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.