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Finding the Fourth Proportional to 4,891,670.82, 7,337,496.51 and 1,297,798.02

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Solution

The fourth proportional to 4,891,670.82, 7,337,496.51 and 1,297,798.02 is: 1,946,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891,670.82 : 7,337,496.51 = 1,297,798.02 : x
  2. Step 2: Convert to fraction form
    4,891,670.82/7,337,496.51 = 1,297,798.02/x
  3. Step 3: Cross multiply
    4,891,670.82x = 7,337,496.51 × 1,297,798.02
  4. Step 4: Simplify right side
    4,891,670.82x = 9,522,588,442,434.91
  5. Step 5: Solve for x
    x = 9,522,588,442,434.91/4,891,670.82
  6. Step 6: Final answer
    x = 1,946,694.45

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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.