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Finding the Fourth Proportional to 571,894.40, 857,258.40 and 335,115.20

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Solution

The fourth proportional to 571,894.40, 857,258.40 and 335,115.20 is: 502,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,894.40 : 857,258.40 = 335,115.20 : x
  2. Step 2: Convert to fraction form
    571,894.40/857,258.40 = 335,115.20/x
  3. Step 3: Cross multiply
    571,894.40x = 857,258.40 × 335,115.20
  4. Step 4: Simplify right side
    571,894.40x = 287,280,320,167.68
  5. Step 5: Solve for x
    x = 287,280,320,167.68/571,894.40
  6. Step 6: Final answer
    x = 502,331.06

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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.