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Finding the Fourth Proportional to 544,464.40, 815,141.40 and 488,477.20

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Solution

The fourth proportional to 544,464.40, 815,141.40 and 488,477.20 is: 731,320.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,464.40 : 815,141.40 = 488,477.20 : x
  2. Step 2: Convert to fraction form
    544,464.40/815,141.40 = 488,477.20/x
  3. Step 3: Cross multiply
    544,464.40x = 815,141.40 × 488,477.20
  4. Step 4: Simplify right side
    544,464.40x = 398,177,988,676.08
  5. Step 5: Solve for x
    x = 398,177,988,676.08/544,464.40
  6. Step 6: Final answer
    x = 731,320.52

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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.