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Finding the Fourth Proportional to 353,329.56, 528,769.62 and 338,632.92

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Solution

The fourth proportional to 353,329.56, 528,769.62 and 338,632.92 is: 506,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,329.56 : 528,769.62 = 338,632.92 : x
  2. Step 2: Convert to fraction form
    353,329.56/528,769.62 = 338,632.92/x
  3. Step 3: Cross multiply
    353,329.56x = 528,769.62 × 338,632.92
  4. Step 4: Simplify right side
    353,329.56x = 179,058,800,427.89
  5. Step 5: Solve for x
    x = 179,058,800,427.89/353,329.56
  6. Step 6: Final answer
    x = 506,775.60

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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.