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Finding the Fourth Proportional to 622,482.56, 933,959.13 and 243,674

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Solution

The fourth proportional to 622,482.56, 933,959.13 and 243,674 is: 365,603.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,482.56 : 933,959.13 = 243,674 : x
  2. Step 2: Convert to fraction form
    622,482.56/933,959.13 = 243,674/x
  3. Step 3: Cross multiply
    622,482.56x = 933,959.13 × 243,674
  4. Step 4: Simplify right side
    622,482.56x = 227,581,557,043.62
  5. Step 5: Solve for x
    x = 227,581,557,043.62/622,482.56
  6. Step 6: Final answer
    x = 365,603.11

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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.