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Finding the Fourth Proportional to 370,208.88, 555,463.98 and 177,987.78

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Solution

The fourth proportional to 370,208.88, 555,463.98 and 177,987.78 is: 267,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,208.88 : 555,463.98 = 177,987.78 : x
  2. Step 2: Convert to fraction form
    370,208.88/555,463.98 = 177,987.78/x
  3. Step 3: Cross multiply
    370,208.88x = 555,463.98 × 177,987.78
  4. Step 4: Simplify right side
    370,208.88x = 98,865,800,670.16
  5. Step 5: Solve for x
    x = 98,865,800,670.16/370,208.88
  6. Step 6: Final answer
    x = 267,054.10

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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.