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Finding the Fourth Proportional to 557,062.20, 835,496.10 and 201,893.40

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Solution

The fourth proportional to 557,062.20, 835,496.10 and 201,893.40 is: 302,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,062.20 : 835,496.10 = 201,893.40 : x
  2. Step 2: Convert to fraction form
    557,062.20/835,496.10 = 201,893.40/x
  3. Step 3: Cross multiply
    557,062.20x = 835,496.10 × 201,893.40
  4. Step 4: Simplify right side
    557,062.20x = 168,681,148,315.74
  5. Step 5: Solve for x
    x = 168,681,148,315.74/557,062.20
  6. Step 6: Final answer
    x = 302,804.87

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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.