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Finding the Fourth Proportional to 537,672.24, 806,510.61 and 217,830.30

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Solution

The fourth proportional to 537,672.24, 806,510.61 and 217,830.30 is: 326,746.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,672.24 : 806,510.61 = 217,830.30 : x
  2. Step 2: Convert to fraction form
    537,672.24/806,510.61 = 217,830.30/x
  3. Step 3: Cross multiply
    537,672.24x = 806,510.61 × 217,830.30
  4. Step 4: Simplify right side
    537,672.24x = 175,682,448,129.48
  5. Step 5: Solve for x
    x = 175,682,448,129.48/537,672.24
  6. Step 6: Final answer
    x = 326,746.36

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1.5x scale

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.