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Finding the Fourth Proportional to 352,334.08, 528,403.92 and 99,594.64

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Solution

The fourth proportional to 352,334.08, 528,403.92 and 99,594.64 is: 149,364.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,334.08 : 528,403.92 = 99,594.64 : x
  2. Step 2: Convert to fraction form
    352,334.08/528,403.92 = 99,594.64/x
  3. Step 3: Cross multiply
    352,334.08x = 528,403.92 × 99,594.64
  4. Step 4: Simplify right side
    352,334.08x = 52,626,198,186.99
  5. Step 5: Solve for x
    x = 52,626,198,186.99/352,334.08
  6. Step 6: Final answer
    x = 149,364.48

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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.