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Finding the Fourth Proportional to 456,891.75, 630,423.14 and 295,724.43

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Solution

The fourth proportional to 456,891.75, 630,423.14 and 295,724.43 is: 408,043.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,891.75 : 630,423.14 = 295,724.43 : x
  2. Step 2: Convert to fraction form
    456,891.75/630,423.14 = 295,724.43/x
  3. Step 3: Cross multiply
    456,891.75x = 630,423.14 × 295,724.43
  4. Step 4: Simplify right side
    456,891.75x = 186,431,522,256.69
  5. Step 5: Solve for x
    x = 186,431,522,256.69/456,891.75
  6. Step 6: Final answer
    x = 408,043.09

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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.