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Finding the Fourth Proportional to 364,219.40, 502,561.86 and 203,039.12

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Solution

The fourth proportional to 364,219.40, 502,561.86 and 203,039.12 is: 280,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,219.40 : 502,561.86 = 203,039.12 : x
  2. Step 2: Convert to fraction form
    364,219.40/502,561.86 = 203,039.12/x
  3. Step 3: Cross multiply
    364,219.40x = 502,561.86 × 203,039.12
  4. Step 4: Simplify right side
    364,219.40x = 102,039,717,799.96
  5. Step 5: Solve for x
    x = 102,039,717,799.96/364,219.40
  6. Step 6: Final answer
    x = 280,160.03

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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.