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Finding the Fourth Proportional to 695,006.11, 958,613.90 and 637,830.11

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Solution

The fourth proportional to 695,006.11, 958,613.90 and 637,830.11 is: 879,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,006.11 : 958,613.90 = 637,830.11 : x
  2. Step 2: Convert to fraction form
    695,006.11/958,613.90 = 637,830.11/x
  3. Step 3: Cross multiply
    695,006.11x = 958,613.90 × 637,830.11
  4. Step 4: Simplify right side
    695,006.11x = 611,432,801,302.31
  5. Step 5: Solve for x
    x = 611,432,801,302.31/695,006.11
  6. Step 6: Final answer
    x = 879,751.70

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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.