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Finding the Fourth Proportional to 358,444.74, 494,649.81 and 197,296.32

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Solution

The fourth proportional to 358,444.74, 494,649.81 and 197,296.32 is: 272,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,444.74 : 494,649.81 = 197,296.32 : x
  2. Step 2: Convert to fraction form
    358,444.74/494,649.81 = 197,296.32/x
  3. Step 3: Cross multiply
    358,444.74x = 494,649.81 × 197,296.32
  4. Step 4: Simplify right side
    358,444.74x = 97,592,587,201.70
  5. Step 5: Solve for x
    x = 97,592,587,201.70/358,444.74
  6. Step 6: Final answer
    x = 272,266.76

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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.