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Finding the Fourth Proportional to 439,052.40, 657,023.40 and 299,084.40

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Solution

The fourth proportional to 439,052.40, 657,023.40 and 299,084.40 is: 447,567.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,052.40 : 657,023.40 = 299,084.40 : x
  2. Step 2: Convert to fraction form
    439,052.40/657,023.40 = 299,084.40/x
  3. Step 3: Cross multiply
    439,052.40x = 657,023.40 × 299,084.40
  4. Step 4: Simplify right side
    439,052.40x = 196,505,449,374.96
  5. Step 5: Solve for x
    x = 196,505,449,374.96/439,052.40
  6. Step 6: Final answer
    x = 447,567.19

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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.