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Finding the Fourth Proportional to 352,295.32, 528,460.74 and 99,593.94

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Solution

The fourth proportional to 352,295.32, 528,460.74 and 99,593.94 is: 149,395.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,295.32 : 528,460.74 = 99,593.94 : x
  2. Step 2: Convert to fraction form
    352,295.32/528,460.74 = 99,593.94/x
  3. Step 3: Cross multiply
    352,295.32x = 528,460.74 × 99,593.94
  4. Step 4: Simplify right side
    352,295.32x = 52,631,487,231.92
  5. Step 5: Solve for x
    x = 52,631,487,231.92/352,295.32
  6. Step 6: Final answer
    x = 149,395.93

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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.