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Finding the Fourth Proportional to 357,028.29, 535,544.26 and 120,373.02

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Solution

The fourth proportional to 357,028.29, 535,544.26 and 120,373.02 is: 180,560.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,028.29 : 535,544.26 = 120,373.02 : x
  2. Step 2: Convert to fraction form
    357,028.29/535,544.26 = 120,373.02/x
  3. Step 3: Cross multiply
    357,028.29x = 535,544.26 × 120,373.02
  4. Step 4: Simplify right side
    357,028.29x = 64,465,079,618.93
  5. Step 5: Solve for x
    x = 64,465,079,618.93/357,028.29
  6. Step 6: Final answer
    x = 180,560.14

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Why These Related Problems?

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