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Finding the Fourth Proportional to 1,943,603.82, 2,914,156.88 and 807,149.92

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Solution

The fourth proportional to 1,943,603.82, 2,914,156.88 and 807,149.92 is: 1,210,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,603.82 : 2,914,156.88 = 807,149.92 : x
  2. Step 2: Convert to fraction form
    1,943,603.82/2,914,156.88 = 807,149.92/x
  3. Step 3: Cross multiply
    1,943,603.82x = 2,914,156.88 × 807,149.92
  4. Step 4: Simplify right side
    1,943,603.82x = 2,352,161,492,559.45
  5. Step 5: Solve for x
    x = 2,352,161,492,559.45/1,943,603.82
  6. Step 6: Final answer
    x = 1,210,206.25

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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.