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Finding the Fourth Proportional to 265,320.04, 397,999.66 and 75,796.45

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Solution

The fourth proportional to 265,320.04, 397,999.66 and 75,796.45 is: 113,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,320.04 : 397,999.66 = 75,796.45 : x
  2. Step 2: Convert to fraction form
    265,320.04/397,999.66 = 75,796.45/x
  3. Step 3: Cross multiply
    265,320.04x = 397,999.66 × 75,796.45
  4. Step 4: Simplify right side
    265,320.04x = 30,166,961,329.21
  5. Step 5: Solve for x
    x = 30,166,961,329.21/265,320.04
  6. Step 6: Final answer
    x = 113,700.27

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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.