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Finding the Fourth Proportional to 468,844, 647,004.08 and 253,984.92

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Solution

The fourth proportional to 468,844, 647,004.08 and 253,984.92 is: 350,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,844 : 647,004.08 = 253,984.92 : x
  2. Step 2: Convert to fraction form
    468,844/647,004.08 = 253,984.92/x
  3. Step 3: Cross multiply
    468,844x = 647,004.08 × 253,984.92
  4. Step 4: Simplify right side
    468,844x = 164,329,279,498.47
  5. Step 5: Solve for x
    x = 164,329,279,498.47/468,844
  6. Step 6: Final answer
    x = 350,498.84

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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.