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Finding the Fourth Proportional to 372,692.80, 559,039.20 and 246,721.60

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Solution

The fourth proportional to 372,692.80, 559,039.20 and 246,721.60 is: 370,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,692.80 : 559,039.20 = 246,721.60 : x
  2. Step 2: Convert to fraction form
    372,692.80/559,039.20 = 246,721.60/x
  3. Step 3: Cross multiply
    372,692.80x = 559,039.20 × 246,721.60
  4. Step 4: Simplify right side
    372,692.80x = 137,927,045,886.72
  5. Step 5: Solve for x
    x = 137,927,045,886.72/372,692.80
  6. Step 6: Final answer
    x = 370,082.40

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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.