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Finding the Fourth Proportional to 1,774,240, 2,448,451.20 and 969,424

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Solution

The fourth proportional to 1,774,240, 2,448,451.20 and 969,424 is: 1,337,805.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,240 : 2,448,451.20 = 969,424 : x
  2. Step 2: Convert to fraction form
    1,774,240/2,448,451.20 = 969,424/x
  3. Step 3: Cross multiply
    1,774,240x = 2,448,451.20 × 969,424
  4. Step 4: Simplify right side
    1,774,240x = 2,373,587,356,108.80
  5. Step 5: Solve for x
    x = 2,373,587,356,108.80/1,774,240
  6. Step 6: Final answer
    x = 1,337,805.12

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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.