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Finding the Fourth Proportional to 424,066.70, 585,249.45 and 233,117.30

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Solution

The fourth proportional to 424,066.70, 585,249.45 and 233,117.30 is: 321,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,066.70 : 585,249.45 = 233,117.30 : x
  2. Step 2: Convert to fraction form
    424,066.70/585,249.45 = 233,117.30/x
  3. Step 3: Cross multiply
    424,066.70x = 585,249.45 × 233,117.30
  4. Step 4: Simplify right side
    424,066.70x = 136,431,771,610.49
  5. Step 5: Solve for x
    x = 136,431,771,610.49/424,066.70
  6. Step 6: Final answer
    x = 321,722.44

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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.