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Finding the Fourth Proportional to 2,636,952, 3,955,229.28 and 839,762.88

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Solution

The fourth proportional to 2,636,952, 3,955,229.28 and 839,762.88 is: 1,259,581.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636,952 : 3,955,229.28 = 839,762.88 : x
  2. Step 2: Convert to fraction form
    2,636,952/3,955,229.28 = 839,762.88/x
  3. Step 3: Cross multiply
    2,636,952x = 3,955,229.28 × 839,762.88
  4. Step 4: Simplify right side
    2,636,952x = 3,321,454,731,233.13
  5. Step 5: Solve for x
    x = 3,321,454,731,233.13/2,636,952
  6. Step 6: Final answer
    x = 1,259,581.04

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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.