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Finding the Fourth Proportional to 671,941.76, 927,212.28 and 413,777.36

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Solution

The fourth proportional to 671,941.76, 927,212.28 and 413,777.36 is: 570,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,941.76 : 927,212.28 = 413,777.36 : x
  2. Step 2: Convert to fraction form
    671,941.76/927,212.28 = 413,777.36/x
  3. Step 3: Cross multiply
    671,941.76x = 927,212.28 × 413,777.36
  4. Step 4: Simplify right side
    671,941.76x = 383,659,449,377.98
  5. Step 5: Solve for x
    x = 383,659,449,377.98/671,941.76
  6. Step 6: Final answer
    x = 570,971.28

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Double scale
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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.