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Finding the Fourth Proportional to 557,871.20, 836,806.80 and 333,922.40

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Solution

The fourth proportional to 557,871.20, 836,806.80 and 333,922.40 is: 500,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,871.20 : 836,806.80 = 333,922.40 : x
  2. Step 2: Convert to fraction form
    557,871.20/836,806.80 = 333,922.40/x
  3. Step 3: Cross multiply
    557,871.20x = 836,806.80 × 333,922.40
  4. Step 4: Simplify right side
    557,871.20x = 279,428,534,992.32
  5. Step 5: Solve for x
    x = 279,428,534,992.32/557,871.20
  6. Step 6: Final answer
    x = 500,883.60

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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.