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Finding the Fourth Proportional to 400,344.96, 552,467.52 and 219,056.16

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Solution

The fourth proportional to 400,344.96, 552,467.52 and 219,056.16 is: 302,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,344.96 : 552,467.52 = 219,056.16 : x
  2. Step 2: Convert to fraction form
    400,344.96/552,467.52 = 219,056.16/x
  3. Step 3: Cross multiply
    400,344.96x = 552,467.52 × 219,056.16
  4. Step 4: Simplify right side
    400,344.96x = 121,021,413,455.92
  5. Step 5: Solve for x
    x = 121,021,413,455.92/400,344.96
  6. Step 6: Final answer
    x = 302,292.84

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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.