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Finding the Fourth Proportional to 377,029.56, 520,302.44 and 207,274.60

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Solution

The fourth proportional to 377,029.56, 520,302.44 and 207,274.60 is: 286,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,029.56 : 520,302.44 = 207,274.60 : x
  2. Step 2: Convert to fraction form
    377,029.56/520,302.44 = 207,274.60/x
  3. Step 3: Cross multiply
    377,029.56x = 520,302.44 × 207,274.60
  4. Step 4: Simplify right side
    377,029.56x = 107,845,480,130.02
  5. Step 5: Solve for x
    x = 107,845,480,130.02/377,029.56
  6. Step 6: Final answer
    x = 286,039.85

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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.