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Finding the Fourth Proportional to 440,718.66, 608,192.01 and 239,514.66

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Solution

The fourth proportional to 440,718.66, 608,192.01 and 239,514.66 is: 330,530.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,718.66 : 608,192.01 = 239,514.66 : x
  2. Step 2: Convert to fraction form
    440,718.66/608,192.01 = 239,514.66/x
  3. Step 3: Cross multiply
    440,718.66x = 608,192.01 × 239,514.66
  4. Step 4: Simplify right side
    440,718.66x = 145,670,902,489.87
  5. Step 5: Solve for x
    x = 145,670,902,489.87/440,718.66
  6. Step 6: Final answer
    x = 330,530.37

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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.