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Finding the Fourth Proportional to 312,023.70, 468,035.55 and 233,291.70

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Solution

The fourth proportional to 312,023.70, 468,035.55 and 233,291.70 is: 349,937.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,023.70 : 468,035.55 = 233,291.70 : x
  2. Step 2: Convert to fraction form
    312,023.70/468,035.55 = 233,291.70/x
  3. Step 3: Cross multiply
    312,023.70x = 468,035.55 × 233,291.70
  4. Step 4: Simplify right side
    312,023.70x = 109,188,809,119.94
  5. Step 5: Solve for x
    x = 109,188,809,119.94/312,023.70
  6. Step 6: Final answer
    x = 349,937.55

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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.