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Finding the Fourth Proportional to 303,074.70, 454,887.45 and 153,419.10

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Solution

The fourth proportional to 303,074.70, 454,887.45 and 153,419.10 is: 230,268.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,074.70 : 454,887.45 = 153,419.10 : x
  2. Step 2: Convert to fraction form
    303,074.70/454,887.45 = 153,419.10/x
  3. Step 3: Cross multiply
    303,074.70x = 454,887.45 × 153,419.10
  4. Step 4: Simplify right side
    303,074.70x = 69,788,423,180.30
  5. Step 5: Solve for x
    x = 69,788,423,180.30/303,074.70
  6. Step 6: Final answer
    x = 230,268.06

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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.