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Finding the Fourth Proportional to 484,692.45, 668,777.85 and 293,594.82

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Solution

The fourth proportional to 484,692.45, 668,777.85 and 293,594.82 is: 405,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,692.45 : 668,777.85 = 293,594.82 : x
  2. Step 2: Convert to fraction form
    484,692.45/668,777.85 = 293,594.82/x
  3. Step 3: Cross multiply
    484,692.45x = 668,777.85 × 293,594.82
  4. Step 4: Simplify right side
    484,692.45x = 196,349,712,490.74
  5. Step 5: Solve for x
    x = 196,349,712,490.74/484,692.45
  6. Step 6: Final answer
    x = 405,101.65

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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.