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Finding the Fourth Proportional to 394,865.70, 590,570.55 and 353,048.10

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Solution

The fourth proportional to 394,865.70, 590,570.55 and 353,048.10 is: 528,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,865.70 : 590,570.55 = 353,048.10 : x
  2. Step 2: Convert to fraction form
    394,865.70/590,570.55 = 353,048.10/x
  3. Step 3: Cross multiply
    394,865.70x = 590,570.55 × 353,048.10
  4. Step 4: Simplify right side
    394,865.70x = 208,499,810,593.46
  5. Step 5: Solve for x
    x = 208,499,810,593.46/394,865.70
  6. Step 6: Final answer
    x = 528,027.15

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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.