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Finding the Fourth Proportional to 441,023.40, 618,262.20 and 441,023.40

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Solution

The fourth proportional to 441,023.40, 618,262.20 and 441,023.40 is: 618,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,023.40 : 618,262.20 = 441,023.40 : x
  2. Step 2: Convert to fraction form
    441,023.40/618,262.20 = 441,023.40/x
  3. Step 3: Cross multiply
    441,023.40x = 618,262.20 × 441,023.40
  4. Step 4: Simplify right side
    441,023.40x = 272,668,097,535.48
  5. Step 5: Solve for x
    x = 272,668,097,535.48/441,023.40
  6. Step 6: Final answer
    x = 618,262.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.