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Finding the Fourth Proportional to 374,692.01, 517,062.18 and 213,598.95

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Solution

The fourth proportional to 374,692.01, 517,062.18 and 213,598.95 is: 294,759.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,692.01 : 517,062.18 = 213,598.95 : x
  2. Step 2: Convert to fraction form
    374,692.01/517,062.18 = 213,598.95/x
  3. Step 3: Cross multiply
    374,692.01x = 517,062.18 × 213,598.95
  4. Step 4: Simplify right side
    374,692.01x = 110,443,938,732.71
  5. Step 5: Solve for x
    x = 110,443,938,732.71/374,692.01
  6. Step 6: Final answer
    x = 294,759.26

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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.