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Finding the Fourth Proportional to 476,351.88, 657,373.31 and 258,564.87

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Solution

The fourth proportional to 476,351.88, 657,373.31 and 258,564.87 is: 356,823.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,351.88 : 657,373.31 = 258,564.87 : x
  2. Step 2: Convert to fraction form
    476,351.88/657,373.31 = 258,564.87/x
  3. Step 3: Cross multiply
    476,351.88x = 657,373.31 × 258,564.87
  4. Step 4: Simplify right side
    476,351.88x = 169,973,644,441.62
  5. Step 5: Solve for x
    x = 169,973,644,441.62/476,351.88
  6. Step 6: Final answer
    x = 356,823.71

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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.