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Finding the Fourth Proportional to 352,335.48, 486,019.62 and 224,867.40

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Solution

The fourth proportional to 352,335.48, 486,019.62 and 224,867.40 is: 310,187.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,335.48 : 486,019.62 = 224,867.40 : x
  2. Step 2: Convert to fraction form
    352,335.48/486,019.62 = 224,867.40/x
  3. Step 3: Cross multiply
    352,335.48x = 486,019.62 × 224,867.40
  4. Step 4: Simplify right side
    352,335.48x = 109,289,968,298.39
  5. Step 5: Solve for x
    x = 109,289,968,298.39/352,335.48
  6. Step 6: Final answer
    x = 310,187.23

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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.