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Finding the Fourth Proportional to 1,884,542.02, 2,827,747.08 and 747,279.82

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Solution

The fourth proportional to 1,884,542.02, 2,827,747.08 and 747,279.82 is: 1,121,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884,542.02 : 2,827,747.08 = 747,279.82 : x
  2. Step 2: Convert to fraction form
    1,884,542.02/2,827,747.08 = 747,279.82/x
  3. Step 3: Cross multiply
    1,884,542.02x = 2,827,747.08 × 747,279.82
  4. Step 4: Simplify right side
    1,884,542.02x = 2,113,118,328,947.93
  5. Step 5: Solve for x
    x = 2,113,118,328,947.93/1,884,542.02
  6. Step 6: Final answer
    x = 1,121,290.11

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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.