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Finding the Fourth Proportional to 360,162.72, 497,041.92 and 216,967.68

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Solution

The fourth proportional to 360,162.72, 497,041.92 and 216,967.68 is: 299,425.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,162.72 : 497,041.92 = 216,967.68 : x
  2. Step 2: Convert to fraction form
    360,162.72/497,041.92 = 216,967.68/x
  3. Step 3: Cross multiply
    360,162.72x = 497,041.92 × 216,967.68
  4. Step 4: Simplify right side
    360,162.72x = 107,842,032,245.15
  5. Step 5: Solve for x
    x = 107,842,032,245.15/360,162.72
  6. Step 6: Final answer
    x = 299,425.86

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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.