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Finding the Fourth Proportional to 546,725.90, 753,811.44 and 449,590.30

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Solution

The fourth proportional to 546,725.90, 753,811.44 and 449,590.30 is: 619,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,725.90 : 753,811.44 = 449,590.30 : x
  2. Step 2: Convert to fraction form
    546,725.90/753,811.44 = 449,590.30/x
  3. Step 3: Cross multiply
    546,725.90x = 753,811.44 × 449,590.30
  4. Step 4: Simplify right side
    546,725.90x = 338,906,311,453.03
  5. Step 5: Solve for x
    x = 338,906,311,453.03/546,725.90
  6. Step 6: Final answer
    x = 619,883.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.