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Finding the Fourth Proportional to 450,662.28, 676,345.66 and 198,117.24

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Solution

The fourth proportional to 450,662.28, 676,345.66 and 198,117.24 is: 297,330.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,662.28 : 676,345.66 = 198,117.24 : x
  2. Step 2: Convert to fraction form
    450,662.28/676,345.66 = 198,117.24/x
  3. Step 3: Cross multiply
    450,662.28x = 676,345.66 × 198,117.24
  4. Step 4: Simplify right side
    450,662.28x = 133,995,735,445.18
  5. Step 5: Solve for x
    x = 133,995,735,445.18/450,662.28
  6. Step 6: Final answer
    x = 297,330.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.