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Finding the Fourth Proportional to 556,058.38, 765,292.02 and 458,481.73

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Solution

The fourth proportional to 556,058.38, 765,292.02 and 458,481.73 is: 630,999.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,058.38 : 765,292.02 = 458,481.73 : x
  2. Step 2: Convert to fraction form
    556,058.38/765,292.02 = 458,481.73/x
  3. Step 3: Cross multiply
    556,058.38x = 765,292.02 × 458,481.73
  4. Step 4: Simplify right side
    556,058.38x = 350,872,409,284.80
  5. Step 5: Solve for x
    x = 350,872,409,284.80/556,058.38
  6. Step 6: Final answer
    x = 630,999.23

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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.