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Finding the Fourth Proportional to 486,709.50, 730,522.24 and 246,995.51

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Solution

The fourth proportional to 486,709.50, 730,522.24 and 246,995.51 is: 370,725.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,709.50 : 730,522.24 = 246,995.51 : x
  2. Step 2: Convert to fraction form
    486,709.50/730,522.24 = 246,995.51/x
  3. Step 3: Cross multiply
    486,709.50x = 730,522.24 × 246,995.51
  4. Step 4: Simplify right side
    486,709.50x = 180,435,712,922.63
  5. Step 5: Solve for x
    x = 180,435,712,922.63/486,709.50
  6. Step 6: Final answer
    x = 370,725.68

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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.