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Finding the Fourth Proportional to 357,100.66, 492,798.21 and 193,757.12

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Solution

The fourth proportional to 357,100.66, 492,798.21 and 193,757.12 is: 267,384.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,100.66 : 492,798.21 = 193,757.12 : x
  2. Step 2: Convert to fraction form
    357,100.66/492,798.21 = 193,757.12/x
  3. Step 3: Cross multiply
    357,100.66x = 492,798.21 × 193,757.12
  4. Step 4: Simplify right side
    357,100.66x = 95,483,160,568.17
  5. Step 5: Solve for x
    x = 95,483,160,568.17/357,100.66
  6. Step 6: Final answer
    x = 267,384.44

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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.