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Finding the Fourth Proportional to 468,856.76, 647,021.52 and 254,002.23

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Solution

The fourth proportional to 468,856.76, 647,021.52 and 254,002.23 is: 350,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,856.76 : 647,021.52 = 254,002.23 : x
  2. Step 2: Convert to fraction form
    468,856.76/647,021.52 = 254,002.23/x
  3. Step 3: Cross multiply
    468,856.76x = 647,021.52 × 254,002.23
  4. Step 4: Simplify right side
    468,856.76x = 164,344,908,937.99
  5. Step 5: Solve for x
    x = 164,344,908,937.99/468,856.76
  6. Step 6: Final answer
    x = 350,522.64

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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.