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Finding the Fourth Proportional to 695,006.23, 958,614.06 and 637,830.23

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Solution

The fourth proportional to 695,006.23, 958,614.06 and 637,830.23 is: 879,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,006.23 : 958,614.06 = 637,830.23 : x
  2. Step 2: Convert to fraction form
    695,006.23/958,614.06 = 637,830.23/x
  3. Step 3: Cross multiply
    695,006.23x = 958,614.06 × 637,830.23
  4. Step 4: Simplify right side
    695,006.23x = 611,433,026,371.03
  5. Step 5: Solve for x
    x = 611,433,026,371.03/695,006.23
  6. Step 6: Final answer
    x = 879,751.86

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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.