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Finding the Fourth Proportional to 504,969.52, 696,227.63 and 323,382.91

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Solution

The fourth proportional to 504,969.52, 696,227.63 and 323,382.91 is: 445,864.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,969.52 : 696,227.63 = 323,382.91 : x
  2. Step 2: Convert to fraction form
    504,969.52/696,227.63 = 323,382.91/x
  3. Step 3: Cross multiply
    504,969.52x = 696,227.63 × 323,382.91
  4. Step 4: Simplify right side
    504,969.52x = 225,148,111,913.75
  5. Step 5: Solve for x
    x = 225,148,111,913.75/504,969.52
  6. Step 6: Final answer
    x = 445,864.76

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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.