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Finding the Fourth Proportional to 313,052, 469,651.72 and 249,251.45

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Solution

The fourth proportional to 313,052, 469,651.72 and 249,251.45 is: 373,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,052 : 469,651.72 = 249,251.45 : x
  2. Step 2: Convert to fraction form
    313,052/469,651.72 = 249,251.45/x
  3. Step 3: Cross multiply
    313,052x = 469,651.72 × 249,251.45
  4. Step 4: Simplify right side
    313,052x = 117,061,370,958.74
  5. Step 5: Solve for x
    x = 117,061,370,958.74/313,052
  6. Step 6: Final answer
    x = 373,935.87

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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.