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Finding the Fourth Proportional to 240,354.20, 360,531.30 and 235,688.60

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Solution

The fourth proportional to 240,354.20, 360,531.30 and 235,688.60 is: 353,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,354.20 : 360,531.30 = 235,688.60 : x
  2. Step 2: Convert to fraction form
    240,354.20/360,531.30 = 235,688.60/x
  3. Step 3: Cross multiply
    240,354.20x = 360,531.30 × 235,688.60
  4. Step 4: Simplify right side
    240,354.20x = 84,973,117,353.18
  5. Step 5: Solve for x
    x = 84,973,117,353.18/240,354.20
  6. Step 6: Final answer
    x = 353,532.90

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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.