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Finding the Fourth Proportional to 316,568.52, 474,968.88 and 166,802.76

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Solution

The fourth proportional to 316,568.52, 474,968.88 and 166,802.76 is: 250,265.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,568.52 : 474,968.88 = 166,802.76 : x
  2. Step 2: Convert to fraction form
    316,568.52/474,968.88 = 166,802.76/x
  3. Step 3: Cross multiply
    316,568.52x = 474,968.88 × 166,802.76
  4. Step 4: Simplify right side
    316,568.52x = 79,226,120,098.11
  5. Step 5: Solve for x
    x = 79,226,120,098.11/316,568.52
  6. Step 6: Final answer
    x = 250,265.31

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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.