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Finding the Fourth Proportional to 261,732.01, 361,414.70 and 253,268.32

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Solution

The fourth proportional to 261,732.01, 361,414.70 and 253,268.32 is: 349,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,732.01 : 361,414.70 = 253,268.32 : x
  2. Step 2: Convert to fraction form
    261,732.01/361,414.70 = 253,268.32/x
  3. Step 3: Cross multiply
    261,732.01x = 361,414.70 × 253,268.32
  4. Step 4: Simplify right side
    261,732.01x = 91,534,892,988.77
  5. Step 5: Solve for x
    x = 91,534,892,988.77/261,732.01
  6. Step 6: Final answer
    x = 349,727.55

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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.