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Finding the Fourth Proportional to 476,591.06, 715,182.05 and 277,005.44

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Solution

The fourth proportional to 476,591.06, 715,182.05 and 277,005.44 is: 415,679.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,591.06 : 715,182.05 = 277,005.44 : x
  2. Step 2: Convert to fraction form
    476,591.06/715,182.05 = 277,005.44/x
  3. Step 3: Cross multiply
    476,591.06x = 715,182.05 × 277,005.44
  4. Step 4: Simplify right side
    476,591.06x = 198,109,320,920.82
  5. Step 5: Solve for x
    x = 198,109,320,920.82/476,591.06
  6. Step 6: Final answer
    x = 415,679.89

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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.