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Finding the Fourth Proportional to 277,211.52, 415,472.76 and 127,292.76

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Solution

The fourth proportional to 277,211.52, 415,472.76 and 127,292.76 is: 190,780.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,211.52 : 415,472.76 = 127,292.76 : x
  2. Step 2: Convert to fraction form
    277,211.52/415,472.76 = 127,292.76/x
  3. Step 3: Cross multiply
    277,211.52x = 415,472.76 × 127,292.76
  4. Step 4: Simplify right side
    277,211.52x = 52,886,674,325.22
  5. Step 5: Solve for x
    x = 52,886,674,325.22/277,211.52
  6. Step 6: Final answer
    x = 190,780.94

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1.5x scale

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.