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Finding the Fourth Proportional to 372,692.84, 514,317.36 and 202,928

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Solution

The fourth proportional to 372,692.84, 514,317.36 and 202,928 is: 280,041.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,692.84 : 514,317.36 = 202,928 : x
  2. Step 2: Convert to fraction form
    372,692.84/514,317.36 = 202,928/x
  3. Step 3: Cross multiply
    372,692.84x = 514,317.36 × 202,928
  4. Step 4: Simplify right side
    372,692.84x = 104,369,393,230.08
  5. Step 5: Solve for x
    x = 104,369,393,230.08/372,692.84
  6. Step 6: Final answer
    x = 280,041.32

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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.