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Finding the Fourth Proportional to 310,076.51, 427,832.48 and 175,940.51

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Solution

The fourth proportional to 310,076.51, 427,832.48 and 175,940.51 is: 242,756.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,076.51 : 427,832.48 = 175,940.51 : x
  2. Step 2: Convert to fraction form
    310,076.51/427,832.48 = 175,940.51/x
  3. Step 3: Cross multiply
    310,076.51x = 427,832.48 × 175,940.51
  4. Step 4: Simplify right side
    310,076.51x = 75,273,063,026.45
  5. Step 5: Solve for x
    x = 75,273,063,026.45/310,076.51
  6. Step 6: Final answer
    x = 242,756.42

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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.