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Finding the Fourth Proportional to 312,010.20, 468,015.30 and 237,360.60

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Solution

The fourth proportional to 312,010.20, 468,015.30 and 237,360.60 is: 356,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,010.20 : 468,015.30 = 237,360.60 : x
  2. Step 2: Convert to fraction form
    312,010.20/468,015.30 = 237,360.60/x
  3. Step 3: Cross multiply
    312,010.20x = 468,015.30 × 237,360.60
  4. Step 4: Simplify right side
    312,010.20x = 111,088,392,417.18
  5. Step 5: Solve for x
    x = 111,088,392,417.18/312,010.20
  6. Step 6: Final answer
    x = 356,040.90

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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.