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Finding the Fourth Proportional to 880,325.82, 1,214,862.23 and 512,793.51

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Solution

The fourth proportional to 880,325.82, 1,214,862.23 and 512,793.51 is: 707,662.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,325.82 : 1,214,862.23 = 512,793.51 : x
  2. Step 2: Convert to fraction form
    880,325.82/1,214,862.23 = 512,793.51/x
  3. Step 3: Cross multiply
    880,325.82x = 1,214,862.23 × 512,793.51
  4. Step 4: Simplify right side
    880,325.82x = 622,973,464,524.16
  5. Step 5: Solve for x
    x = 622,973,464,524.16/880,325.82
  6. Step 6: Final answer
    x = 707,662.38

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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.