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Finding the Fourth Proportional to 361,973.90, 542,960.85 and 236,002.70

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Solution

The fourth proportional to 361,973.90, 542,960.85 and 236,002.70 is: 354,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,973.90 : 542,960.85 = 236,002.70 : x
  2. Step 2: Convert to fraction form
    361,973.90/542,960.85 = 236,002.70/x
  3. Step 3: Cross multiply
    361,973.90x = 542,960.85 × 236,002.70
  4. Step 4: Simplify right side
    361,973.90x = 128,140,226,594.30
  5. Step 5: Solve for x
    x = 128,140,226,594.30/361,973.90
  6. Step 6: Final answer
    x = 354,004.05

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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.