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Finding the Fourth Proportional to 1,062,223.54, 1,465,868.54 and 578,788.61

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Solution

The fourth proportional to 1,062,223.54, 1,465,868.54 and 578,788.61 is: 798,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,223.54 : 1,465,868.54 = 578,788.61 : x
  2. Step 2: Convert to fraction form
    1,062,223.54/1,465,868.54 = 578,788.61/x
  3. Step 3: Cross multiply
    1,062,223.54x = 1,465,868.54 × 578,788.61
  4. Step 4: Simplify right side
    1,062,223.54x = 848,428,008,826.96
  5. Step 5: Solve for x
    x = 848,428,008,826.96/1,062,223.54
  6. Step 6: Final answer
    x = 798,728.31

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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.