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Finding the Fourth Proportional to 454,300.36, 626,938.70 and 250,358.58

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Solution

The fourth proportional to 454,300.36, 626,938.70 and 250,358.58 is: 345,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,300.36 : 626,938.70 = 250,358.58 : x
  2. Step 2: Convert to fraction form
    454,300.36/626,938.70 = 250,358.58/x
  3. Step 3: Cross multiply
    454,300.36x = 626,938.70 × 250,358.58
  4. Step 4: Simplify right side
    454,300.36x = 156,959,481,427.25
  5. Step 5: Solve for x
    x = 156,959,481,427.25/454,300.36
  6. Step 6: Final answer
    x = 345,497.16

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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.