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Finding the Fourth Proportional to 364,480.04, 502,980.89 and 203,335.20

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Solution

The fourth proportional to 364,480.04, 502,980.89 and 203,335.20 is: 280,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,480.04 : 502,980.89 = 203,335.20 : x
  2. Step 2: Convert to fraction form
    364,480.04/502,980.89 = 203,335.20/x
  3. Step 3: Cross multiply
    364,480.04x = 502,980.89 × 203,335.20
  4. Step 4: Simplify right side
    364,480.04x = 102,273,718,847.65
  5. Step 5: Solve for x
    x = 102,273,718,847.65/364,480.04
  6. Step 6: Final answer
    x = 280,601.70

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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.