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Finding the Fourth Proportional to 568,973.92, 853,263.24 and 316,639.48

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Solution

The fourth proportional to 568,973.92, 853,263.24 and 316,639.48 is: 474,849.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,973.92 : 853,263.24 = 316,639.48 : x
  2. Step 2: Convert to fraction form
    568,973.92/853,263.24 = 316,639.48/x
  3. Step 3: Cross multiply
    568,973.92x = 853,263.24 × 316,639.48
  4. Step 4: Simplify right side
    568,973.92x = 270,176,828,616.72
  5. Step 5: Solve for x
    x = 270,176,828,616.72/568,973.92
  6. Step 6: Final answer
    x = 474,849.23

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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.