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Finding the Fourth Proportional to 481,293.48, 664,192.86 and 263,498.51

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Solution

The fourth proportional to 481,293.48, 664,192.86 and 263,498.51 is: 363,632.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,293.48 : 664,192.86 = 263,498.51 : x
  2. Step 2: Convert to fraction form
    481,293.48/664,192.86 = 263,498.51/x
  3. Step 3: Cross multiply
    481,293.48x = 664,192.86 × 263,498.51
  4. Step 4: Simplify right side
    481,293.48x = 175,013,825,641.67
  5. Step 5: Solve for x
    x = 175,013,825,641.67/481,293.48
  6. Step 6: Final answer
    x = 363,632.24

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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.