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Finding the Fourth Proportional to 617,818.22, 927,106.12 and 276,550.20

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Solution

The fourth proportional to 617,818.22, 927,106.12 and 276,550.20 is: 414,994.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,818.22 : 927,106.12 = 276,550.20 : x
  2. Step 2: Convert to fraction form
    617,818.22/927,106.12 = 276,550.20/x
  3. Step 3: Cross multiply
    617,818.22x = 927,106.12 × 276,550.20
  4. Step 4: Simplify right side
    617,818.22x = 256,391,388,399.36
  5. Step 5: Solve for x
    x = 256,391,388,399.36/617,818.22
  6. Step 6: Final answer
    x = 414,994.86

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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.