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Finding the Fourth Proportional to 315,773.46, 472,886.91 and 203,099.22

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Solution

The fourth proportional to 315,773.46, 472,886.91 and 203,099.22 is: 304,151.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,773.46 : 472,886.91 = 203,099.22 : x
  2. Step 2: Convert to fraction form
    315,773.46/472,886.91 = 203,099.22/x
  3. Step 3: Cross multiply
    315,773.46x = 472,886.91 × 203,099.22
  4. Step 4: Simplify right side
    315,773.46x = 96,042,962,569.21
  5. Step 5: Solve for x
    x = 96,042,962,569.21/315,773.46
  6. Step 6: Final answer
    x = 304,151.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.