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Finding the Fourth Proportional to 252,673.79, 379,208.78 and 176,275.51

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Solution

The fourth proportional to 252,673.79, 379,208.78 and 176,275.51 is: 264,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,673.79 : 379,208.78 = 176,275.51 : x
  2. Step 2: Convert to fraction form
    252,673.79/379,208.78 = 176,275.51/x
  3. Step 3: Cross multiply
    252,673.79x = 379,208.78 × 176,275.51
  4. Step 4: Simplify right side
    252,673.79x = 66,845,219,261.58
  5. Step 5: Solve for x
    x = 66,845,219,261.58/252,673.79
  6. Step 6: Final answer
    x = 264,551.45

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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.