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Finding the Fourth Proportional to 400,655.86, 552,884.04 and 219,333.04

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Solution

The fourth proportional to 400,655.86, 552,884.04 and 219,333.04 is: 302,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,655.86 : 552,884.04 = 219,333.04 : x
  2. Step 2: Convert to fraction form
    400,655.86/552,884.04 = 219,333.04/x
  3. Step 3: Cross multiply
    400,655.86x = 552,884.04 × 219,333.04
  4. Step 4: Simplify right side
    400,655.86x = 121,265,737,260.68
  5. Step 5: Solve for x
    x = 121,265,737,260.68/400,655.86
  6. Step 6: Final answer
    x = 302,668.07

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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.