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Finding the Fourth Proportional to 571,182.95, 788,319.29 and 364,540.50

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Solution

The fourth proportional to 571,182.95, 788,319.29 and 364,540.50 is: 503,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,182.95 : 788,319.29 = 364,540.50 : x
  2. Step 2: Convert to fraction form
    571,182.95/788,319.29 = 364,540.50/x
  3. Step 3: Cross multiply
    571,182.95x = 788,319.29 × 364,540.50
  4. Step 4: Simplify right side
    571,182.95x = 287,374,307,692.69
  5. Step 5: Solve for x
    x = 287,374,307,692.69/571,182.95
  6. Step 6: Final answer
    x = 503,121.30

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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.