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Finding the Fourth Proportional to 1,849,723.72, 2,774,807.91 and 651,398.38

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Solution

The fourth proportional to 1,849,723.72, 2,774,807.91 and 651,398.38 is: 977,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849,723.72 : 2,774,807.91 = 651,398.38 : x
  2. Step 2: Convert to fraction form
    1,849,723.72/2,774,807.91 = 651,398.38/x
  3. Step 3: Cross multiply
    1,849,723.72x = 2,774,807.91 × 651,398.38
  4. Step 4: Simplify right side
    1,849,723.72x = 1,807,505,377,385.19
  5. Step 5: Solve for x
    x = 1,807,505,377,385.19/1,849,723.72
  6. Step 6: Final answer
    x = 977,175.87

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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.