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Finding the Fourth Proportional to 352,642.52, 486,647.70 and 191,500.32

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Solution

The fourth proportional to 352,642.52, 486,647.70 and 191,500.32 is: 264,271.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,642.52 : 486,647.70 = 191,500.32 : x
  2. Step 2: Convert to fraction form
    352,642.52/486,647.70 = 191,500.32/x
  3. Step 3: Cross multiply
    352,642.52x = 486,647.70 × 191,500.32
  4. Step 4: Simplify right side
    352,642.52x = 93,193,190,277.26
  5. Step 5: Solve for x
    x = 93,193,190,277.26/352,642.52
  6. Step 6: Final answer
    x = 264,271.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.