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Finding the Fourth Proportional to 468,851.00, 647,013.74 and 253,991.93

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Solution

The fourth proportional to 468,851.00, 647,013.74 and 253,991.93 is: 350,508.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,851.00 : 647,013.74 = 253,991.93 : x
  2. Step 2: Convert to fraction form
    468,851.00/647,013.74 = 253,991.93/x
  3. Step 3: Cross multiply
    468,851.00x = 647,013.74 × 253,991.93
  4. Step 4: Simplify right side
    468,851.00x = 164,336,264,054.09
  5. Step 5: Solve for x
    x = 164,336,264,054.09/468,851.00
  6. Step 6: Final answer
    x = 350,508.51

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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.