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Finding the Fourth Proportional to 2,551,985.97, 3,827,978.94 and 754,729.56

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Solution

The fourth proportional to 2,551,985.97, 3,827,978.94 and 754,729.56 is: 1,132,094.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,985.97 : 3,827,978.94 = 754,729.56 : x
  2. Step 2: Convert to fraction form
    2,551,985.97/3,827,978.94 = 754,729.56/x
  3. Step 3: Cross multiply
    2,551,985.97x = 3,827,978.94 × 754,729.56
  4. Step 4: Simplify right side
    2,551,985.97x = 2,889,088,861,075.47
  5. Step 5: Solve for x
    x = 2,889,088,861,075.47/2,551,985.97
  6. Step 6: Final answer
    x = 1,132,094.34

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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.