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Finding the Fourth Proportional to 534,955.79, 738,476.39 and 341,616.79

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Solution

The fourth proportional to 534,955.79, 738,476.39 and 341,616.79 is: 471,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,955.79 : 738,476.39 = 341,616.79 : x
  2. Step 2: Convert to fraction form
    534,955.79/738,476.39 = 341,616.79/x
  3. Step 3: Cross multiply
    534,955.79x = 738,476.39 × 341,616.79
  4. Step 4: Simplify right side
    534,955.79x = 252,275,935,619.73
  5. Step 5: Solve for x
    x = 252,275,935,619.73/534,955.79
  6. Step 6: Final answer
    x = 471,582.77

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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.