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Finding the Fourth Proportional to 613,338.72, 844,587.48 and 440,953.30

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Solution

The fourth proportional to 613,338.72, 844,587.48 and 440,953.30 is: 607,207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,338.72 : 844,587.48 = 440,953.30 : x
  2. Step 2: Convert to fraction form
    613,338.72/844,587.48 = 440,953.30/x
  3. Step 3: Cross multiply
    613,338.72x = 844,587.48 × 440,953.30
  4. Step 4: Simplify right side
    613,338.72x = 372,423,636,444.68
  5. Step 5: Solve for x
    x = 372,423,636,444.68/613,338.72
  6. Step 6: Final answer
    x = 607,207.12

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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.