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Finding the Fourth Proportional to 297,810.47, 446,349.73 and 137,669.79

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Solution

The fourth proportional to 297,810.47, 446,349.73 and 137,669.79 is: 206,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,810.47 : 446,349.73 = 137,669.79 : x
  2. Step 2: Convert to fraction form
    297,810.47/446,349.73 = 137,669.79/x
  3. Step 3: Cross multiply
    297,810.47x = 446,349.73 × 137,669.79
  4. Step 4: Simplify right side
    297,810.47x = 61,448,873,106.79
  5. Step 5: Solve for x
    x = 61,448,873,106.79/297,810.47
  6. Step 6: Final answer
    x = 206,335.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.