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Finding the Fourth Proportional to 468,925.64, 647,117.94 and 254,065.64

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Solution

The fourth proportional to 468,925.64, 647,117.94 and 254,065.64 is: 350,610.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,925.64 : 647,117.94 = 254,065.64 : x
  2. Step 2: Convert to fraction form
    468,925.64/647,117.94 = 254,065.64/x
  3. Step 3: Cross multiply
    468,925.64x = 647,117.94 × 254,065.64
  4. Step 4: Simplify right side
    468,925.64x = 164,410,433,581.58
  5. Step 5: Solve for x
    x = 164,410,433,581.58/468,925.64
  6. Step 6: Final answer
    x = 350,610.88

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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.