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Finding the Fourth Proportional to 557,999.40, 837,217.80 and 203,049.30

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Solution

The fourth proportional to 557,999.40, 837,217.80 and 203,049.30 is: 304,653.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,999.40 : 837,217.80 = 203,049.30 : x
  2. Step 2: Convert to fraction form
    557,999.40/837,217.80 = 203,049.30/x
  3. Step 3: Cross multiply
    557,999.40x = 837,217.80 × 203,049.30
  4. Step 4: Simplify right side
    557,999.40x = 169,996,488,237.54
  5. Step 5: Solve for x
    x = 169,996,488,237.54/557,999.40
  6. Step 6: Final answer
    x = 304,653.53

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1.5x scale

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.