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Finding the Fourth Proportional to 265,279.28, 365,969.16 and 174,518.48

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Solution

The fourth proportional to 265,279.28, 365,969.16 and 174,518.48 is: 240,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,279.28 : 365,969.16 = 174,518.48 : x
  2. Step 2: Convert to fraction form
    265,279.28/365,969.16 = 174,518.48/x
  3. Step 3: Cross multiply
    265,279.28x = 365,969.16 × 174,518.48
  4. Step 4: Simplify right side
    265,279.28x = 63,868,381,530.08
  5. Step 5: Solve for x
    x = 63,868,381,530.08/265,279.28
  6. Step 6: Final answer
    x = 240,759.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.