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Finding the Fourth Proportional to 352,374.93, 486,036.54 and 224,993.07

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Solution

The fourth proportional to 352,374.93, 486,036.54 and 224,993.07 is: 310,336.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,374.93 : 486,036.54 = 224,993.07 : x
  2. Step 2: Convert to fraction form
    352,374.93/486,036.54 = 224,993.07/x
  3. Step 3: Cross multiply
    352,374.93x = 486,036.54 × 224,993.07
  4. Step 4: Simplify right side
    352,374.93x = 109,354,853,266.78
  5. Step 5: Solve for x
    x = 109,354,853,266.78/352,374.93
  6. Step 6: Final answer
    x = 310,336.64

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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.