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Finding the Fourth Proportional to 226,954.90, 340,432.35 and 156,970.90

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Solution

The fourth proportional to 226,954.90, 340,432.35 and 156,970.90 is: 235,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,954.90 : 340,432.35 = 156,970.90 : x
  2. Step 2: Convert to fraction form
    226,954.90/340,432.35 = 156,970.90/x
  3. Step 3: Cross multiply
    226,954.90x = 340,432.35 × 156,970.90
  4. Step 4: Simplify right side
    226,954.90x = 53,437,972,368.62
  5. Step 5: Solve for x
    x = 53,437,972,368.62/226,954.90
  6. Step 6: Final answer
    x = 235,456.35

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1.5x scale

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.