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Finding the Fourth Proportional to 557,199.20, 835,701.60 and 202,030.40

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Solution

The fourth proportional to 557,199.20, 835,701.60 and 202,030.40 is: 303,010.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,199.20 : 835,701.60 = 202,030.40 : x
  2. Step 2: Convert to fraction form
    557,199.20/835,701.60 = 202,030.40/x
  3. Step 3: Cross multiply
    557,199.20x = 835,701.60 × 202,030.40
  4. Step 4: Simplify right side
    557,199.20x = 168,837,128,528.64
  5. Step 5: Solve for x
    x = 168,837,128,528.64/557,199.20
  6. Step 6: Final answer
    x = 303,010.36

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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.