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Finding the Fourth Proportional to 418,003.01, 576,879.73 and 236,747.18

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Solution

The fourth proportional to 418,003.01, 576,879.73 and 236,747.18 is: 326,731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,003.01 : 576,879.73 = 236,747.18 : x
  2. Step 2: Convert to fraction form
    418,003.01/576,879.73 = 236,747.18/x
  3. Step 3: Cross multiply
    418,003.01x = 576,879.73 × 236,747.18
  4. Step 4: Simplify right side
    418,003.01x = 136,574,649,045.34
  5. Step 5: Solve for x
    x = 136,574,649,045.34/418,003.01
  6. Step 6: Final answer
    x = 326,731.26

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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.