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Finding the Fourth Proportional to 370,573.01, 555,749.26 and 157,337.78

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Solution

The fourth proportional to 370,573.01, 555,749.26 and 157,337.78 is: 235,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,573.01 : 555,749.26 = 157,337.78 : x
  2. Step 2: Convert to fraction form
    370,573.01/555,749.26 = 157,337.78/x
  3. Step 3: Cross multiply
    370,573.01x = 555,749.26 × 157,337.78
  4. Step 4: Simplify right side
    370,573.01x = 87,440,354,805.04
  5. Step 5: Solve for x
    x = 87,440,354,805.04/370,573.01
  6. Step 6: Final answer
    x = 235,959.86

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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.