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Finding the Fourth Proportional to 364,694.32, 503,303.52 and 203,580.82

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Solution

The fourth proportional to 364,694.32, 503,303.52 and 203,580.82 is: 280,955.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,694.32 : 503,303.52 = 203,580.82 : x
  2. Step 2: Convert to fraction form
    364,694.32/503,303.52 = 203,580.82/x
  3. Step 3: Cross multiply
    364,694.32x = 503,303.52 × 203,580.82
  4. Step 4: Simplify right side
    364,694.32x = 102,462,943,310.49
  5. Step 5: Solve for x
    x = 102,462,943,310.49/364,694.32
  6. Step 6: Final answer
    x = 280,955.69

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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.