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Finding the Fourth Proportional to 311,691.24, 467,536.86 and 249,755.40

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Solution

The fourth proportional to 311,691.24, 467,536.86 and 249,755.40 is: 374,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,691.24 : 467,536.86 = 249,755.40 : x
  2. Step 2: Convert to fraction form
    311,691.24/467,536.86 = 249,755.40/x
  3. Step 3: Cross multiply
    311,691.24x = 467,536.86 × 249,755.40
  4. Step 4: Simplify right side
    311,691.24x = 116,769,855,484.04
  5. Step 5: Solve for x
    x = 116,769,855,484.04/311,691.24
  6. Step 6: Final answer
    x = 374,633.10

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1.5x scale

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.