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Finding the Fourth Proportional to 454,894.64, 627,758.76 and 263,911.28

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Solution

The fourth proportional to 454,894.64, 627,758.76 and 263,911.28 is: 364,199.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,894.64 : 627,758.76 = 263,911.28 : x
  2. Step 2: Convert to fraction form
    454,894.64/627,758.76 = 263,911.28/x
  3. Step 3: Cross multiply
    454,894.64x = 627,758.76 × 263,911.28
  4. Step 4: Simplify right side
    454,894.64x = 165,672,617,882.81
  5. Step 5: Solve for x
    x = 165,672,617,882.81/454,894.64
  6. Step 6: Final answer
    x = 364,199.98

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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.