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Finding the Fourth Proportional to 3,499,337.88, 5,249,006.88 and 839,945.88

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Solution

The fourth proportional to 3,499,337.88, 5,249,006.88 and 839,945.88 is: 1,259,918.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499,337.88 : 5,249,006.88 = 839,945.88 : x
  2. Step 2: Convert to fraction form
    3,499,337.88/5,249,006.88 = 839,945.88/x
  3. Step 3: Cross multiply
    3,499,337.88x = 5,249,006.88 × 839,945.88
  4. Step 4: Simplify right side
    3,499,337.88x = 4,408,881,702,947.65
  5. Step 5: Solve for x
    x = 4,408,881,702,947.65/3,499,337.88
  6. Step 6: Final answer
    x = 1,259,918.83

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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.