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Finding the Fourth Proportional to 352,034.40, 528,052.41 and 247,320.84

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Solution

The fourth proportional to 352,034.40, 528,052.41 and 247,320.84 is: 370,981.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,034.40 : 528,052.41 = 247,320.84 : x
  2. Step 2: Convert to fraction form
    352,034.40/528,052.41 = 247,320.84/x
  3. Step 3: Cross multiply
    352,034.40x = 528,052.41 × 247,320.84
  4. Step 4: Simplify right side
    352,034.40x = 130,598,365,605.22
  5. Step 5: Solve for x
    x = 130,598,365,605.22/352,034.40
  6. Step 6: Final answer
    x = 370,981.83

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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.