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Finding the Fourth Proportional to 364,282.29, 502,718.40 and 203,135.76

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Solution

The fourth proportional to 364,282.29, 502,718.40 and 203,135.76 is: 280,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,282.29 : 502,718.40 = 203,135.76 : x
  2. Step 2: Convert to fraction form
    364,282.29/502,718.40 = 203,135.76/x
  3. Step 3: Cross multiply
    364,282.29x = 502,718.40 × 203,135.76
  4. Step 4: Simplify right side
    364,282.29x = 102,120,084,249.98
  5. Step 5: Solve for x
    x = 102,120,084,249.98/364,282.29
  6. Step 6: Final answer
    x = 280,332.28

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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.