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Finding the Fourth Proportional to 522,141.56, 720,570.02 and 295,787.08

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Solution

The fourth proportional to 522,141.56, 720,570.02 and 295,787.08 is: 408,194.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,141.56 : 720,570.02 = 295,787.08 : x
  2. Step 2: Convert to fraction form
    522,141.56/720,570.02 = 295,787.08/x
  3. Step 3: Cross multiply
    522,141.56x = 720,570.02 × 295,787.08
  4. Step 4: Simplify right side
    522,141.56x = 213,135,302,151.34
  5. Step 5: Solve for x
    x = 213,135,302,151.34/522,141.56
  6. Step 6: Final answer
    x = 408,194.48

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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.