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Finding the Fourth Proportional to 654,441.64, 903,118.57 and 364,049.73

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Solution

The fourth proportional to 654,441.64, 903,118.57 and 364,049.73 is: 502,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,441.64 : 903,118.57 = 364,049.73 : x
  2. Step 2: Convert to fraction form
    654,441.64/903,118.57 = 364,049.73/x
  3. Step 3: Cross multiply
    654,441.64x = 903,118.57 × 364,049.73
  4. Step 4: Simplify right side
    654,441.64x = 328,780,071,946.06
  5. Step 5: Solve for x
    x = 328,780,071,946.06/654,441.64
  6. Step 6: Final answer
    x = 502,382.57

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Double scale
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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.