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Finding the Fourth Proportional to 358,600.66, 494,868.91 and 197,455.32

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Solution

The fourth proportional to 358,600.66, 494,868.91 and 197,455.32 is: 272,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,600.66 : 494,868.91 = 197,455.32 : x
  2. Step 2: Convert to fraction form
    358,600.66/494,868.91 = 197,455.32/x
  3. Step 3: Cross multiply
    358,600.66x = 494,868.91 × 197,455.32
  4. Step 4: Simplify right side
    358,600.66x = 97,714,498,982.10
  5. Step 5: Solve for x
    x = 97,714,498,982.10/358,600.66
  6. Step 6: Final answer
    x = 272,488.34

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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.