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Finding the Fourth Proportional to 1,719,470.02, 2,372,926.17 and 955,555.78

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Solution

The fourth proportional to 1,719,470.02, 2,372,926.17 and 955,555.78 is: 1,318,698.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,470.02 : 2,372,926.17 = 955,555.78 : x
  2. Step 2: Convert to fraction form
    1,719,470.02/2,372,926.17 = 955,555.78/x
  3. Step 3: Cross multiply
    1,719,470.02x = 2,372,926.17 × 955,555.78
  4. Step 4: Simplify right side
    1,719,470.02x = 2,267,463,317,256.76
  5. Step 5: Solve for x
    x = 2,267,463,317,256.76/1,719,470.02
  6. Step 6: Final answer
    x = 1,318,698.95

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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.