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Finding the Fourth Proportional to 632,692.28, 873,112.98 and 342,302.91

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Solution

The fourth proportional to 632,692.28, 873,112.98 and 342,302.91 is: 472,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,692.28 : 873,112.98 = 342,302.91 : x
  2. Step 2: Convert to fraction form
    632,692.28/873,112.98 = 342,302.91/x
  3. Step 3: Cross multiply
    632,692.28x = 873,112.98 × 342,302.91
  4. Step 4: Simplify right side
    632,692.28x = 298,869,113,812.77
  5. Step 5: Solve for x
    x = 298,869,113,812.77/632,692.28
  6. Step 6: Final answer
    x = 472,376.74

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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.