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Finding the Fourth Proportional to 324,114.90, 486,172.35 and 181,814.10

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Solution

The fourth proportional to 324,114.90, 486,172.35 and 181,814.10 is: 272,721.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,114.90 : 486,172.35 = 181,814.10 : x
  2. Step 2: Convert to fraction form
    324,114.90/486,172.35 = 181,814.10/x
  3. Step 3: Cross multiply
    324,114.90x = 486,172.35 × 181,814.10
  4. Step 4: Simplify right side
    324,114.90x = 88,392,988,260.14
  5. Step 5: Solve for x
    x = 88,392,988,260.14/324,114.90
  6. Step 6: Final answer
    x = 272,721.15

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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.