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Finding the Fourth Proportional to 403,041.75, 555,882.78 and 249,994.14

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Solution

The fourth proportional to 403,041.75, 555,882.78 and 249,994.14 is: 344,796.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,041.75 : 555,882.78 = 249,994.14 : x
  2. Step 2: Convert to fraction form
    403,041.75/555,882.78 = 249,994.14/x
  3. Step 3: Cross multiply
    403,041.75x = 555,882.78 × 249,994.14
  4. Step 4: Simplify right side
    403,041.75x = 138,967,437,526.91
  5. Step 5: Solve for x
    x = 138,967,437,526.91/403,041.75
  6. Step 6: Final answer
    x = 344,796.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.