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Finding the Fourth Proportional to 364,953.56, 503,643.47 and 203,808.76

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Solution

The fourth proportional to 364,953.56, 503,643.47 and 203,808.76 is: 281,260.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,953.56 : 503,643.47 = 203,808.76 : x
  2. Step 2: Convert to fraction form
    364,953.56/503,643.47 = 203,808.76/x
  3. Step 3: Cross multiply
    364,953.56x = 503,643.47 × 203,808.76
  4. Step 4: Simplify right side
    364,953.56x = 102,646,948,824.65
  5. Step 5: Solve for x
    x = 102,646,948,824.65/364,953.56
  6. Step 6: Final answer
    x = 281,260.31

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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.