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Finding the Fourth Proportional to 358,480.19, 494,720.42 and 197,333.52

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Solution

The fourth proportional to 358,480.19, 494,720.42 and 197,333.52 is: 272,330.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,480.19 : 494,720.42 = 197,333.52 : x
  2. Step 2: Convert to fraction form
    358,480.19/494,720.42 = 197,333.52/x
  3. Step 3: Cross multiply
    358,480.19x = 494,720.42 × 197,333.52
  4. Step 4: Simplify right side
    358,480.19x = 97,624,921,401.14
  5. Step 5: Solve for x
    x = 97,624,921,401.14/358,480.19
  6. Step 6: Final answer
    x = 272,330.04

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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.