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Finding the Fourth Proportional to 363,853.02, 502,325.55 and 243,198.66

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Solution

The fourth proportional to 363,853.02, 502,325.55 and 243,198.66 is: 335,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,853.02 : 502,325.55 = 243,198.66 : x
  2. Step 2: Convert to fraction form
    363,853.02/502,325.55 = 243,198.66/x
  3. Step 3: Cross multiply
    363,853.02x = 502,325.55 × 243,198.66
  4. Step 4: Simplify right side
    363,853.02x = 122,164,900,643.76
  5. Step 5: Solve for x
    x = 122,164,900,643.76/363,853.02
  6. Step 6: Final answer
    x = 335,753.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.