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Finding the Fourth Proportional to 2,596,858.19, 3,895,488.39 and 867,734.02

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Solution

The fourth proportional to 2,596,858.19, 3,895,488.39 and 867,734.02 is: 1,301,668.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,596,858.19 : 3,895,488.39 = 867,734.02 : x
  2. Step 2: Convert to fraction form
    2,596,858.19/3,895,488.39 = 867,734.02/x
  3. Step 3: Cross multiply
    2,596,858.19x = 3,895,488.39 × 867,734.02
  4. Step 4: Simplify right side
    2,596,858.19x = 3,380,247,808,641.39
  5. Step 5: Solve for x
    x = 3,380,247,808,641.39/2,596,858.19
  6. Step 6: Final answer
    x = 1,301,668.23

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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.