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Finding the Fourth Proportional to 342,958, 473,282.28 and 192,058.48

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Solution

The fourth proportional to 342,958, 473,282.28 and 192,058.48 is: 265,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,958 : 473,282.28 = 192,058.48 : x
  2. Step 2: Convert to fraction form
    342,958/473,282.28 = 192,058.48/x
  3. Step 3: Cross multiply
    342,958x = 473,282.28 × 192,058.48
  4. Step 4: Simplify right side
    342,958x = 90,897,875,307.73
  5. Step 5: Solve for x
    x = 90,897,875,307.73/342,958
  6. Step 6: Final answer
    x = 265,040.84

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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.