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Finding the Fourth Proportional to 340,462.76, 469,820.60 and 195,261.06

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Solution

The fourth proportional to 340,462.76, 469,820.60 and 195,261.06 is: 269,449.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,462.76 : 469,820.60 = 195,261.06 : x
  2. Step 2: Convert to fraction form
    340,462.76/469,820.60 = 195,261.06/x
  3. Step 3: Cross multiply
    340,462.76x = 469,820.60 × 195,261.06
  4. Step 4: Simplify right side
    340,462.76x = 91,737,668,365.84
  5. Step 5: Solve for x
    x = 91,737,668,365.84/340,462.76
  6. Step 6: Final answer
    x = 269,449.93

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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.