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Finding the Fourth Proportional to 611,887.72, 844,065.06 and 568,588.84

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Solution

The fourth proportional to 611,887.72, 844,065.06 and 568,588.84 is: 784,336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,887.72 : 844,065.06 = 568,588.84 : x
  2. Step 2: Convert to fraction form
    611,887.72/844,065.06 = 568,588.84/x
  3. Step 3: Cross multiply
    611,887.72x = 844,065.06 × 568,588.84
  4. Step 4: Simplify right side
    611,887.72x = 479,925,973,349.93
  5. Step 5: Solve for x
    x = 479,925,973,349.93/611,887.72
  6. Step 6: Final answer
    x = 784,336.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.