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Finding the Fourth Proportional to 541,449.24, 747,208.78 and 296,429.89

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Solution

The fourth proportional to 541,449.24, 747,208.78 and 296,429.89 is: 409,078.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,449.24 : 747,208.78 = 296,429.89 : x
  2. Step 2: Convert to fraction form
    541,449.24/747,208.78 = 296,429.89/x
  3. Step 3: Cross multiply
    541,449.24x = 747,208.78 × 296,429.89
  4. Step 4: Simplify right side
    541,449.24x = 221,495,017,209.43
  5. Step 5: Solve for x
    x = 221,495,017,209.43/541,449.24
  6. Step 6: Final answer
    x = 409,078.09

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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.