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Finding the Fourth Proportional to 262,002.40, 392,420.40 and 227,010.40

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Solution

The fourth proportional to 262,002.40, 392,420.40 and 227,010.40 is: 340,010.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,002.40 : 392,420.40 = 227,010.40 : x
  2. Step 2: Convert to fraction form
    262,002.40/392,420.40 = 227,010.40/x
  3. Step 3: Cross multiply
    262,002.40x = 392,420.40 × 227,010.40
  4. Step 4: Simplify right side
    262,002.40x = 89,083,511,972.16
  5. Step 5: Solve for x
    x = 89,083,511,972.16/262,002.40
  6. Step 6: Final answer
    x = 340,010.29

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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.