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Finding the Fourth Proportional to 277,235.52, 415,508.76 and 127,316.76

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Solution

The fourth proportional to 277,235.52, 415,508.76 and 127,316.76 is: 190,816.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,235.52 : 415,508.76 = 127,316.76 : x
  2. Step 2: Convert to fraction form
    277,235.52/415,508.76 = 127,316.76/x
  3. Step 3: Cross multiply
    277,235.52x = 415,508.76 × 127,316.76
  4. Step 4: Simplify right side
    277,235.52x = 52,901,229,074.82
  5. Step 5: Solve for x
    x = 52,901,229,074.82/277,235.52
  6. Step 6: Final answer
    x = 190,816.92

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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.