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Finding the Fourth Proportional to 400,441.92, 552,602.43 and 219,150.15

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Solution

The fourth proportional to 400,441.92, 552,602.43 and 219,150.15 is: 302,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,441.92 : 552,602.43 = 219,150.15 : x
  2. Step 2: Convert to fraction form
    400,441.92/552,602.43 = 219,150.15/x
  3. Step 3: Cross multiply
    400,441.92x = 552,602.43 × 219,150.15
  4. Step 4: Simplify right side
    400,441.92x = 121,102,905,424.87
  5. Step 5: Solve for x
    x = 121,102,905,424.87/400,441.92
  6. Step 6: Final answer
    x = 302,423.15

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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.