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Finding the Fourth Proportional to 4,899,357.68, 7,348,561.65 and 1,487,674.27

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Solution

The fourth proportional to 4,899,357.68, 7,348,561.65 and 1,487,674.27 is: 2,231,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899,357.68 : 7,348,561.65 = 1,487,674.27 : x
  2. Step 2: Convert to fraction form
    4,899,357.68/7,348,561.65 = 1,487,674.27/x
  3. Step 3: Cross multiply
    4,899,357.68x = 7,348,561.65 × 1,487,674.27
  4. Step 4: Simplify right side
    4,899,357.68x = 10,932,266,044,032.56
  5. Step 5: Solve for x
    x = 10,932,266,044,032.56/4,899,357.68
  6. Step 6: Final answer
    x = 2,231,367.20

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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.