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Finding the Fourth Proportional to 364,118.45, 502,485.41 and 202,972.19

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Solution

The fourth proportional to 364,118.45, 502,485.41 and 202,972.19 is: 280,102.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,118.45 : 502,485.41 = 202,972.19 : x
  2. Step 2: Convert to fraction form
    364,118.45/502,485.41 = 202,972.19/x
  3. Step 3: Cross multiply
    364,118.45x = 502,485.41 × 202,972.19
  4. Step 4: Simplify right side
    364,118.45x = 101,990,563,095.89
  5. Step 5: Solve for x
    x = 101,990,563,095.89/364,118.45
  6. Step 6: Final answer
    x = 280,102.71

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Double scale
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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.