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Finding the Fourth Proportional to 357,172.74, 492,882.57 and 196,028.10

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Solution

The fourth proportional to 357,172.74, 492,882.57 and 196,028.10 is: 270,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,172.74 : 492,882.57 = 196,028.10 : x
  2. Step 2: Convert to fraction form
    357,172.74/492,882.57 = 196,028.10/x
  3. Step 3: Cross multiply
    357,172.74x = 492,882.57 × 196,028.10
  4. Step 4: Simplify right side
    357,172.74x = 96,618,833,720.22
  5. Step 5: Solve for x
    x = 96,618,833,720.22/357,172.74
  6. Step 6: Final answer
    x = 270,510.10

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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.