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Finding the Fourth Proportional to 352,756.52, 486,617.38 and 223,466.92

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Solution

The fourth proportional to 352,756.52, 486,617.38 and 223,466.92 is: 308,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,756.52 : 486,617.38 = 223,466.92 : x
  2. Step 2: Convert to fraction form
    352,756.52/486,617.38 = 223,466.92/x
  3. Step 3: Cross multiply
    352,756.52x = 486,617.38 × 223,466.92
  4. Step 4: Simplify right side
    352,756.52x = 108,742,887,127.07
  5. Step 5: Solve for x
    x = 108,742,887,127.07/352,756.52
  6. Step 6: Final answer
    x = 308,266.13

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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.