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Finding the Fourth Proportional to 571,888.40, 857,249.40 and 335,109.20

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Solution

The fourth proportional to 571,888.40, 857,249.40 and 335,109.20 is: 502,322.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,888.40 : 857,249.40 = 335,109.20 : x
  2. Step 2: Convert to fraction form
    571,888.40/857,249.40 = 335,109.20/x
  3. Step 3: Cross multiply
    571,888.40x = 857,249.40 × 335,109.20
  4. Step 4: Simplify right side
    571,888.40x = 287,272,160,634.48
  5. Step 5: Solve for x
    x = 287,272,160,634.48/571,888.40
  6. Step 6: Final answer
    x = 502,322.06

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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.