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Finding the Fourth Proportional to 537,808.32, 806,608.80 and 163,782.72

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Solution

The fourth proportional to 537,808.32, 806,608.80 and 163,782.72 is: 245,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,808.32 : 806,608.80 = 163,782.72 : x
  2. Step 2: Convert to fraction form
    537,808.32/806,608.80 = 163,782.72/x
  3. Step 3: Cross multiply
    537,808.32x = 806,608.80 × 163,782.72
  4. Step 4: Simplify right side
    537,808.32x = 132,108,583,239.94
  5. Step 5: Solve for x
    x = 132,108,583,239.94/537,808.32
  6. Step 6: Final answer
    x = 245,642.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.