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Finding the Fourth Proportional to 403,200.70, 604,873.95 and 203,017.30

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Solution

The fourth proportional to 403,200.70, 604,873.95 and 203,017.30 is: 304,562.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,200.70 : 604,873.95 = 203,017.30 : x
  2. Step 2: Convert to fraction form
    403,200.70/604,873.95 = 203,017.30/x
  3. Step 3: Cross multiply
    403,200.70x = 604,873.95 × 203,017.30
  4. Step 4: Simplify right side
    403,200.70x = 122,799,876,169.34
  5. Step 5: Solve for x
    x = 122,799,876,169.34/403,200.70
  6. Step 6: Final answer
    x = 304,562.66

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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.