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Finding the Fourth Proportional to 381,325.95, 571,992.18 and 97,016.79

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Solution

The fourth proportional to 381,325.95, 571,992.18 and 97,016.79 is: 145,526.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,325.95 : 571,992.18 = 97,016.79 : x
  2. Step 2: Convert to fraction form
    381,325.95/571,992.18 = 97,016.79/x
  3. Step 3: Cross multiply
    381,325.95x = 571,992.18 × 97,016.79
  4. Step 4: Simplify right side
    381,325.95x = 55,492,845,208.70
  5. Step 5: Solve for x
    x = 55,492,845,208.70/381,325.95
  6. Step 6: Final answer
    x = 145,526.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.