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Finding the Fourth Proportional to 240,313.10, 360,469.65 and 115,897.10

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Solution

The fourth proportional to 240,313.10, 360,469.65 and 115,897.10 is: 173,845.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,313.10 : 360,469.65 = 115,897.10 : x
  2. Step 2: Convert to fraction form
    240,313.10/360,469.65 = 115,897.10/x
  3. Step 3: Cross multiply
    240,313.10x = 360,469.65 × 115,897.10
  4. Step 4: Simplify right side
    240,313.10x = 41,777,387,073.02
  5. Step 5: Solve for x
    x = 41,777,387,073.02/240,313.10
  6. Step 6: Final answer
    x = 173,845.65

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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.