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Finding the Fourth Proportional to 508,326.36, 762,268.05 and 171,304.17

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Solution

The fourth proportional to 508,326.36, 762,268.05 and 171,304.17 is: 256,881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,326.36 : 762,268.05 = 171,304.17 : x
  2. Step 2: Convert to fraction form
    508,326.36/762,268.05 = 171,304.17/x
  3. Step 3: Cross multiply
    508,326.36x = 762,268.05 × 171,304.17
  4. Step 4: Simplify right side
    508,326.36x = 130,579,695,622.77
  5. Step 5: Solve for x
    x = 130,579,695,622.77/508,326.36
  6. Step 6: Final answer
    x = 256,881.61

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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.