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Finding the Fourth Proportional to 519,692.96, 716,973.72 and 304,753.52

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Solution

The fourth proportional to 519,692.96, 716,973.72 and 304,753.52 is: 420,441.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,692.96 : 716,973.72 = 304,753.52 : x
  2. Step 2: Convert to fraction form
    519,692.96/716,973.72 = 304,753.52/x
  3. Step 3: Cross multiply
    519,692.96x = 716,973.72 × 304,753.52
  4. Step 4: Simplify right side
    519,692.96x = 218,500,264,917.49
  5. Step 5: Solve for x
    x = 218,500,264,917.49/519,692.96
  6. Step 6: Final answer
    x = 420,441.07

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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.