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Finding the Fourth Proportional to 303,913.70, 455,214.45 and 264,547.70

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Solution

The fourth proportional to 303,913.70, 455,214.45 and 264,547.70 is: 396,250.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,913.70 : 455,214.45 = 264,547.70 : x
  2. Step 2: Convert to fraction form
    303,913.70/455,214.45 = 264,547.70/x
  3. Step 3: Cross multiply
    303,913.70x = 455,214.45 × 264,547.70
  4. Step 4: Simplify right side
    303,913.70x = 120,425,935,754.27
  5. Step 5: Solve for x
    x = 120,425,935,754.27/303,913.70
  6. Step 6: Final answer
    x = 396,250.43

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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.