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Finding the Fourth Proportional to 442,826.40, 663,255.44 and 442,826.40

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Solution

The fourth proportional to 442,826.40, 663,255.44 and 442,826.40 is: 663,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,826.40 : 663,255.44 = 442,826.40 : x
  2. Step 2: Convert to fraction form
    442,826.40/663,255.44 = 442,826.40/x
  3. Step 3: Cross multiply
    442,826.40x = 663,255.44 × 442,826.40
  4. Step 4: Simplify right side
    442,826.40x = 293,707,018,775.62
  5. Step 5: Solve for x
    x = 293,707,018,775.62/442,826.40
  6. Step 6: Final answer
    x = 663,255.44

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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.