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Finding the Fourth Proportional to 611,443.89, 916,958.34 and 232,273.17

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Solution

The fourth proportional to 611,443.89, 916,958.34 and 232,273.17 is: 348,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,443.89 : 916,958.34 = 232,273.17 : x
  2. Step 2: Convert to fraction form
    611,443.89/916,958.34 = 232,273.17/x
  3. Step 3: Cross multiply
    611,443.89x = 916,958.34 × 232,273.17
  4. Step 4: Simplify right side
    611,443.89x = 212,984,820,389.74
  5. Step 5: Solve for x
    x = 212,984,820,389.74/611,443.89
  6. Step 6: Final answer
    x = 348,330.93

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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.