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Finding the Fourth Proportional to 611,737.98, 843,858.36 and 568,439.16

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Solution

The fourth proportional to 611,737.98, 843,858.36 and 568,439.16 is: 784,130.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,737.98 : 843,858.36 = 568,439.16 : x
  2. Step 2: Convert to fraction form
    611,737.98/843,858.36 = 568,439.16/x
  3. Step 3: Cross multiply
    611,737.98x = 843,858.36 × 568,439.16
  4. Step 4: Simplify right side
    611,737.98x = 479,682,137,317.38
  5. Step 5: Solve for x
    x = 479,682,137,317.38/611,737.98
  6. Step 6: Final answer
    x = 784,130.06

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1.5x scale

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.