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Finding the Fourth Proportional to 342,951.12, 473,277.30 and 197,754.37

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Solution

The fourth proportional to 342,951.12, 473,277.30 and 197,754.37 is: 272,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,951.12 : 473,277.30 = 197,754.37 : x
  2. Step 2: Convert to fraction form
    342,951.12/473,277.30 = 197,754.37/x
  3. Step 3: Cross multiply
    342,951.12x = 473,277.30 × 197,754.37
  4. Step 4: Simplify right side
    342,951.12x = 93,592,652,372.03
  5. Step 5: Solve for x
    x = 93,592,652,372.03/342,951.12
  6. Step 6: Final answer
    x = 272,903.77

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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.