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Finding the Fourth Proportional to 368,771.49, 552,348 and 304,867.35

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Solution

The fourth proportional to 368,771.49, 552,348 and 304,867.35 is: 456,632.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,771.49 : 552,348 = 304,867.35 : x
  2. Step 2: Convert to fraction form
    368,771.49/552,348 = 304,867.35/x
  3. Step 3: Cross multiply
    368,771.49x = 552,348 × 304,867.35
  4. Step 4: Simplify right side
    368,771.49x = 168,392,871,037.80
  5. Step 5: Solve for x
    x = 168,392,871,037.80/368,771.49
  6. Step 6: Final answer
    x = 456,632.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.