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Finding the Fourth Proportional to 364,720.65, 503,297.92 and 203,572.16

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Solution

The fourth proportional to 364,720.65, 503,297.92 and 203,572.16 is: 280,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,720.65 : 503,297.92 = 203,572.16 : x
  2. Step 2: Convert to fraction form
    364,720.65/503,297.92 = 203,572.16/x
  3. Step 3: Cross multiply
    364,720.65x = 503,297.92 × 203,572.16
  4. Step 4: Simplify right side
    364,720.65x = 102,457,444,697.91
  5. Step 5: Solve for x
    x = 102,457,444,697.91/364,720.65
  6. Step 6: Final answer
    x = 280,920.33

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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.