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Finding the Fourth Proportional to 702,671.50, 1,054,036.41 and 204,035.50

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Solution

The fourth proportional to 702,671.50, 1,054,036.41 and 204,035.50 is: 306,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,671.50 : 1,054,036.41 = 204,035.50 : x
  2. Step 2: Convert to fraction form
    702,671.50/1,054,036.41 = 204,035.50/x
  3. Step 3: Cross multiply
    702,671.50x = 1,054,036.41 × 204,035.50
  4. Step 4: Simplify right side
    702,671.50x = 215,060,845,932.56
  5. Step 5: Solve for x
    x = 215,060,845,932.56/702,671.50
  6. Step 6: Final answer
    x = 306,061.72

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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.