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Finding the Fourth Proportional to 570,180.66, 786,839.31 and 328,462.50

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Solution

The fourth proportional to 570,180.66, 786,839.31 and 328,462.50 is: 453,272.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,180.66 : 786,839.31 = 328,462.50 : x
  2. Step 2: Convert to fraction form
    570,180.66/786,839.31 = 328,462.50/x
  3. Step 3: Cross multiply
    570,180.66x = 786,839.31 × 328,462.50
  4. Step 4: Simplify right side
    570,180.66x = 258,447,206,860.88
  5. Step 5: Solve for x
    x = 258,447,206,860.88/570,180.66
  6. Step 6: Final answer
    x = 453,272.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.