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Finding the Fourth Proportional to 379,808.22, 524,114.13 and 207,692.07

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Solution

The fourth proportional to 379,808.22, 524,114.13 and 207,692.07 is: 286,603.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,808.22 : 524,114.13 = 207,692.07 : x
  2. Step 2: Convert to fraction form
    379,808.22/524,114.13 = 207,692.07/x
  3. Step 3: Cross multiply
    379,808.22x = 524,114.13 × 207,692.07
  4. Step 4: Simplify right side
    379,808.22x = 108,854,348,575.95
  5. Step 5: Solve for x
    x = 108,854,348,575.95/379,808.22
  6. Step 6: Final answer
    x = 286,603.46

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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.