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Finding the Fourth Proportional to 617,254.01, 852,101.78 and 464,350.55

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Solution

The fourth proportional to 617,254.01, 852,101.78 and 464,350.55 is: 641,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,254.01 : 852,101.78 = 464,350.55 : x
  2. Step 2: Convert to fraction form
    617,254.01/852,101.78 = 464,350.55/x
  3. Step 3: Cross multiply
    617,254.01x = 852,101.78 × 464,350.55
  4. Step 4: Simplify right side
    617,254.01x = 395,673,923,616.72
  5. Step 5: Solve for x
    x = 395,673,923,616.72/617,254.01
  6. Step 6: Final answer
    x = 641,022.85

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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.