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Finding the Fourth Proportional to 1,943,601.81, 2,914,153.88 and 807,147.92

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Solution

The fourth proportional to 1,943,601.81, 2,914,153.88 and 807,147.92 is: 1,210,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,601.81 : 2,914,153.88 = 807,147.92 : x
  2. Step 2: Convert to fraction form
    1,943,601.81/2,914,153.88 = 807,147.92/x
  3. Step 3: Cross multiply
    1,943,601.81x = 2,914,153.88 × 807,147.92
  4. Step 4: Simplify right side
    1,943,601.81x = 2,352,153,224,195.42
  5. Step 5: Solve for x
    x = 2,352,153,224,195.42/1,943,601.81
  6. Step 6: Final answer
    x = 1,210,203.25

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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.