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Finding the Fourth Proportional to 310,034.79, 427,955.94 and 182,702.25

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Solution

The fourth proportional to 310,034.79, 427,955.94 and 182,702.25 is: 252,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,034.79 : 427,955.94 = 182,702.25 : x
  2. Step 2: Convert to fraction form
    310,034.79/427,955.94 = 182,702.25/x
  3. Step 3: Cross multiply
    310,034.79x = 427,955.94 × 182,702.25
  4. Step 4: Simplify right side
    310,034.79x = 78,188,513,138.87
  5. Step 5: Solve for x
    x = 78,188,513,138.87/310,034.79
  6. Step 6: Final answer
    x = 252,192.71

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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.