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Finding the Fourth Proportional to 364,505.39, 503,017.75 and 203,360.47

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Solution

The fourth proportional to 364,505.39, 503,017.75 and 203,360.47 is: 280,637.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,505.39 : 503,017.75 = 203,360.47 : x
  2. Step 2: Convert to fraction form
    364,505.39/503,017.75 = 203,360.47/x
  3. Step 3: Cross multiply
    364,505.39x = 503,017.75 × 203,360.47
  4. Step 4: Simplify right side
    364,505.39x = 102,293,926,058.34
  5. Step 5: Solve for x
    x = 102,293,926,058.34/364,505.39
  6. Step 6: Final answer
    x = 280,637.62

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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.