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Finding the Fourth Proportional to 477,422.65, 658,864.11 and 262,570.51

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Solution

The fourth proportional to 477,422.65, 658,864.11 and 262,570.51 is: 362,358.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,422.65 : 658,864.11 = 262,570.51 : x
  2. Step 2: Convert to fraction form
    477,422.65/658,864.11 = 262,570.51/x
  3. Step 3: Cross multiply
    477,422.65x = 658,864.11 × 262,570.51
  4. Step 4: Simplify right side
    477,422.65x = 172,998,285,383.40
  5. Step 5: Solve for x
    x = 172,998,285,383.40/477,422.65
  6. Step 6: Final answer
    x = 362,358.77

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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.