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Finding the Fourth Proportional to 617,752.14, 852,491.39 and 345,822.28

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Solution

The fourth proportional to 617,752.14, 852,491.39 and 345,822.28 is: 477,231.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,752.14 : 852,491.39 = 345,822.28 : x
  2. Step 2: Convert to fraction form
    617,752.14/852,491.39 = 345,822.28/x
  3. Step 3: Cross multiply
    617,752.14x = 852,491.39 × 345,822.28
  4. Step 4: Simplify right side
    617,752.14x = 294,810,512,309.83
  5. Step 5: Solve for x
    x = 294,810,512,309.83/617,752.14
  6. Step 6: Final answer
    x = 477,231.07

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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.