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Finding the Fourth Proportional to 303,254.10, 454,881.15 and 202,214.70

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Solution

The fourth proportional to 303,254.10, 454,881.15 and 202,214.70 is: 303,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,254.10 : 454,881.15 = 202,214.70 : x
  2. Step 2: Convert to fraction form
    303,254.10/454,881.15 = 202,214.70/x
  3. Step 3: Cross multiply
    303,254.10x = 454,881.15 × 202,214.70
  4. Step 4: Simplify right side
    303,254.10x = 91,983,655,282.91
  5. Step 5: Solve for x
    x = 91,983,655,282.91/303,254.10
  6. Step 6: Final answer
    x = 303,322.05

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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.