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Finding the Fourth Proportional to 613,924.52, 847,224.57 and 352,322.40

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Solution

The fourth proportional to 613,924.52, 847,224.57 and 352,322.40 is: 486,209.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,924.52 : 847,224.57 = 352,322.40 : x
  2. Step 2: Convert to fraction form
    613,924.52/847,224.57 = 352,322.40/x
  3. Step 3: Cross multiply
    613,924.52x = 847,224.57 × 352,322.40
  4. Step 4: Simplify right side
    613,924.52x = 298,496,193,841.37
  5. Step 5: Solve for x
    x = 298,496,193,841.37/613,924.52
  6. Step 6: Final answer
    x = 486,209.93

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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.