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Finding the Fourth Proportional to 4,552,358.72, 6,828,997.71 and 1,478,221.01

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Solution

The fourth proportional to 4,552,358.72, 6,828,997.71 and 1,478,221.01 is: 2,217,480.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,552,358.72 : 6,828,997.71 = 1,478,221.01 : x
  2. Step 2: Convert to fraction form
    4,552,358.72/6,828,997.71 = 1,478,221.01/x
  3. Step 3: Cross multiply
    4,552,358.72x = 6,828,997.71 × 1,478,221.01
  4. Step 4: Simplify right side
    4,552,358.72x = 10,094,767,858,018.90
  5. Step 5: Solve for x
    x = 10,094,767,858,018.90/4,552,358.72
  6. Step 6: Final answer
    x = 2,217,480.76

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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.