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Finding the Fourth Proportional to 313,362.08, 432,022.05 and 249,046.04

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Solution

The fourth proportional to 313,362.08, 432,022.05 and 249,046.04 is: 343,351.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,362.08 : 432,022.05 = 249,046.04 : x
  2. Step 2: Convert to fraction form
    313,362.08/432,022.05 = 249,046.04/x
  3. Step 3: Cross multiply
    313,362.08x = 432,022.05 × 249,046.04
  4. Step 4: Simplify right side
    313,362.08x = 107,593,380,891.31
  5. Step 5: Solve for x
    x = 107,593,380,891.31/313,362.08
  6. Step 6: Final answer
    x = 343,351.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.