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Finding the Fourth Proportional to 261,009.64, 359,326.53 and 234,105.59

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Solution

The fourth proportional to 261,009.64, 359,326.53 and 234,105.59 is: 322,288.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,009.64 : 359,326.53 = 234,105.59 : x
  2. Step 2: Convert to fraction form
    261,009.64/359,326.53 = 234,105.59/x
  3. Step 3: Cross multiply
    261,009.64x = 359,326.53 × 234,105.59
  4. Step 4: Simplify right side
    261,009.64x = 84,120,350,206.62
  5. Step 5: Solve for x
    x = 84,120,350,206.62/261,009.64
  6. Step 6: Final answer
    x = 322,288.29

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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.