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Finding the Fourth Proportional to 277,323.74, 415,953.48 and 77,660.12

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Solution

The fourth proportional to 277,323.74, 415,953.48 and 77,660.12 is: 116,481.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,323.74 : 415,953.48 = 77,660.12 : x
  2. Step 2: Convert to fraction form
    277,323.74/415,953.48 = 77,660.12/x
  3. Step 3: Cross multiply
    277,323.74x = 415,953.48 × 77,660.12
  4. Step 4: Simplify right side
    277,323.74x = 32,302,997,171.22
  5. Step 5: Solve for x
    x = 32,302,997,171.22/277,323.74
  6. Step 6: Final answer
    x = 116,481.18

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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.