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Finding the Fourth Proportional to 495,480.33, 742,958.06 and 195,948.81

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Solution

The fourth proportional to 495,480.33, 742,958.06 and 195,948.81 is: 293,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,480.33 : 742,958.06 = 195,948.81 : x
  2. Step 2: Convert to fraction form
    495,480.33/742,958.06 = 195,948.81/x
  3. Step 3: Cross multiply
    495,480.33x = 742,958.06 × 195,948.81
  4. Step 4: Simplify right side
    495,480.33x = 145,581,746,757.17
  5. Step 5: Solve for x
    x = 145,581,746,757.17/495,480.33
  6. Step 6: Final answer
    x = 293,819.43

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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.