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Finding the Fourth Proportional to 352,332.58, 528,401.67 and 99,593.14

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Solution

The fourth proportional to 352,332.58, 528,401.67 and 99,593.14 is: 149,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,332.58 : 528,401.67 = 99,593.14 : x
  2. Step 2: Convert to fraction form
    352,332.58/528,401.67 = 99,593.14/x
  3. Step 3: Cross multiply
    352,332.58x = 528,401.67 × 99,593.14
  4. Step 4: Simplify right side
    352,332.58x = 52,625,181,496.54
  5. Step 5: Solve for x
    x = 52,625,181,496.54/352,332.58
  6. Step 6: Final answer
    x = 149,362.23

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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.