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Finding the Fourth Proportional to 310,177.52, 428,060.46 and 174,204.44

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Solution

The fourth proportional to 310,177.52, 428,060.46 and 174,204.44 is: 240,410.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,177.52 : 428,060.46 = 174,204.44 : x
  2. Step 2: Convert to fraction form
    310,177.52/428,060.46 = 174,204.44/x
  3. Step 3: Cross multiply
    310,177.52x = 428,060.46 × 174,204.44
  4. Step 4: Simplify right side
    310,177.52x = 74,570,032,720.44
  5. Step 5: Solve for x
    x = 74,570,032,720.44/310,177.52
  6. Step 6: Final answer
    x = 240,410.82

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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.