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Finding the Fourth Proportional to 358,487.50, 537,844.27 and 168,940.21

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Solution

The fourth proportional to 358,487.50, 537,844.27 and 168,940.21 is: 253,463.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,487.50 : 537,844.27 = 168,940.21 : x
  2. Step 2: Convert to fraction form
    358,487.50/537,844.27 = 168,940.21/x
  3. Step 3: Cross multiply
    358,487.50x = 537,844.27 × 168,940.21
  4. Step 4: Simplify right side
    358,487.50x = 90,863,522,154.14
  5. Step 5: Solve for x
    x = 90,863,522,154.14/358,487.50
  6. Step 6: Final answer
    x = 253,463.57

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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.