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Finding the Fourth Proportional to 2,934,867.60, 4,402,301.40 and 804,948.30

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Solution

The fourth proportional to 2,934,867.60, 4,402,301.40 and 804,948.30 is: 1,207,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934,867.60 : 4,402,301.40 = 804,948.30 : x
  2. Step 2: Convert to fraction form
    2,934,867.60/4,402,301.40 = 804,948.30/x
  3. Step 3: Cross multiply
    2,934,867.60x = 4,402,301.40 × 804,948.30
  4. Step 4: Simplify right side
    2,934,867.60x = 3,543,625,028,017.62
  5. Step 5: Solve for x
    x = 3,543,625,028,017.62/2,934,867.60
  6. Step 6: Final answer
    x = 1,207,422.45

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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.