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Finding the Fourth Proportional to 324,673.99, 487,116.10 and 156,172.38

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Solution

The fourth proportional to 324,673.99, 487,116.10 and 156,172.38 is: 234,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,673.99 : 487,116.10 = 156,172.38 : x
  2. Step 2: Convert to fraction form
    324,673.99/487,116.10 = 156,172.38/x
  3. Step 3: Cross multiply
    324,673.99x = 487,116.10 × 156,172.38
  4. Step 4: Simplify right side
    324,673.99x = 76,074,082,859.07
  5. Step 5: Solve for x
    x = 76,074,082,859.07/324,673.99
  6. Step 6: Final answer
    x = 234,309.14

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1.5x scale

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.