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Finding the Fourth Proportional to 524,710.65, 787,213.61 and 187,799.21

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Solution

The fourth proportional to 524,710.65, 787,213.61 and 187,799.21 is: 281,751.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,710.65 : 787,213.61 = 187,799.21 : x
  2. Step 2: Convert to fraction form
    524,710.65/787,213.61 = 187,799.21/x
  3. Step 3: Cross multiply
    524,710.65x = 787,213.61 × 187,799.21
  4. Step 4: Simplify right side
    524,710.65x = 147,838,094,059.25
  5. Step 5: Solve for x
    x = 147,838,094,059.25/524,710.65
  6. Step 6: Final answer
    x = 281,751.66

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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.