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Finding the Fourth Proportional to 352,317.95, 528,475.49 and 127,625.78

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Solution

The fourth proportional to 352,317.95, 528,475.49 and 127,625.78 is: 191,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,317.95 : 528,475.49 = 127,625.78 : x
  2. Step 2: Convert to fraction form
    352,317.95/528,475.49 = 127,625.78/x
  3. Step 3: Cross multiply
    352,317.95x = 528,475.49 × 127,625.78
  4. Step 4: Simplify right side
    352,317.95x = 67,447,094,811.11
  5. Step 5: Solve for x
    x = 67,447,094,811.11/352,317.95
  6. Step 6: Final answer
    x = 191,438.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.