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Finding the Fourth Proportional to 404,099.24, 606,327.66 and 211,927.82

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Solution

The fourth proportional to 404,099.24, 606,327.66 and 211,927.82 is: 317,985.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,099.24 : 606,327.66 = 211,927.82 : x
  2. Step 2: Convert to fraction form
    404,099.24/606,327.66 = 211,927.82/x
  3. Step 3: Cross multiply
    404,099.24x = 606,327.66 × 211,927.82
  4. Step 4: Simplify right side
    404,099.24x = 128,497,696,157.86
  5. Step 5: Solve for x
    x = 128,497,696,157.86/404,099.24
  6. Step 6: Final answer
    x = 317,985.50

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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.