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Finding the Fourth Proportional to 360,904.32, 498,098.88 and 210,049.92

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Solution

The fourth proportional to 360,904.32, 498,098.88 and 210,049.92 is: 289,898.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,904.32 : 498,098.88 = 210,049.92 : x
  2. Step 2: Convert to fraction form
    360,904.32/498,098.88 = 210,049.92/x
  3. Step 3: Cross multiply
    360,904.32x = 498,098.88 × 210,049.92
  4. Step 4: Simplify right side
    360,904.32x = 104,625,629,896.09
  5. Step 5: Solve for x
    x = 104,625,629,896.09/360,904.32
  6. Step 6: Final answer
    x = 289,898.52

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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.