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Finding the Fourth Proportional to 648,262.97, 894,693.07 and 361,801.51

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Solution

The fourth proportional to 648,262.97, 894,693.07 and 361,801.51 is: 499,336.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,262.97 : 894,693.07 = 361,801.51 : x
  2. Step 2: Convert to fraction form
    648,262.97/894,693.07 = 361,801.51/x
  3. Step 3: Cross multiply
    648,262.97x = 894,693.07 × 361,801.51
  4. Step 4: Simplify right side
    648,262.97x = 323,701,303,712.54
  5. Step 5: Solve for x
    x = 323,701,303,712.54/648,262.97
  6. Step 6: Final answer
    x = 499,336.41

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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.