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Finding the Fourth Proportional to 360,673.36, 497,572.76 and 217,351.96

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Solution

The fourth proportional to 360,673.36, 497,572.76 and 217,351.96 is: 299,851.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,673.36 : 497,572.76 = 217,351.96 : x
  2. Step 2: Convert to fraction form
    360,673.36/497,572.76 = 217,351.96/x
  3. Step 3: Cross multiply
    360,673.36x = 497,572.76 × 217,351.96
  4. Step 4: Simplify right side
    360,673.36x = 108,148,414,628.61
  5. Step 5: Solve for x
    x = 108,148,414,628.61/360,673.36
  6. Step 6: Final answer
    x = 299,851.41

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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.