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Finding the Fourth Proportional to 1,023,301.20, 1,434,721.20 and 1,023,301.20

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Solution

The fourth proportional to 1,023,301.20, 1,434,721.20 and 1,023,301.20 is: 1,434,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,301.20 : 1,434,721.20 = 1,023,301.20 : x
  2. Step 2: Convert to fraction form
    1,023,301.20/1,434,721.20 = 1,023,301.20/x
  3. Step 3: Cross multiply
    1,023,301.20x = 1,434,721.20 × 1,023,301.20
  4. Step 4: Simplify right side
    1,023,301.20x = 1,468,151,925,625.44
  5. Step 5: Solve for x
    x = 1,468,151,925,625.44/1,023,301.20
  6. Step 6: Final answer
    x = 1,434,721.20

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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.