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Finding the Fourth Proportional to 370,796.30, 555,558.72 and 248,988.50

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Solution

The fourth proportional to 370,796.30, 555,558.72 and 248,988.50 is: 373,055.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,796.30 : 555,558.72 = 248,988.50 : x
  2. Step 2: Convert to fraction form
    370,796.30/555,558.72 = 248,988.50/x
  3. Step 3: Cross multiply
    370,796.30x = 555,558.72 × 248,988.50
  4. Step 4: Simplify right side
    370,796.30x = 138,327,730,726.57
  5. Step 5: Solve for x
    x = 138,327,730,726.57/370,796.30
  6. Step 6: Final answer
    x = 373,055.86

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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.