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Finding the Fourth Proportional to 606,561.60, 908,045.28 and 449,495.04

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Solution

The fourth proportional to 606,561.60, 908,045.28 and 449,495.04 is: 672,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,561.60 : 908,045.28 = 449,495.04 : x
  2. Step 2: Convert to fraction form
    606,561.60/908,045.28 = 449,495.04/x
  3. Step 3: Cross multiply
    606,561.60x = 908,045.28 × 449,495.04
  4. Step 4: Simplify right side
    606,561.60x = 408,161,849,455.41
  5. Step 5: Solve for x
    x = 408,161,849,455.41/606,561.60
  6. Step 6: Final answer
    x = 672,910.80

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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.