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Finding the Fourth Proportional to 574,717.67, 793,079.21 and 316,544.37

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Solution

The fourth proportional to 574,717.67, 793,079.21 and 316,544.37 is: 436,814.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,717.67 : 793,079.21 = 316,544.37 : x
  2. Step 2: Convert to fraction form
    574,717.67/793,079.21 = 316,544.37/x
  3. Step 3: Cross multiply
    574,717.67x = 793,079.21 × 316,544.37
  4. Step 4: Simplify right side
    574,717.67x = 251,044,756,706.86
  5. Step 5: Solve for x
    x = 251,044,756,706.86/574,717.67
  6. Step 6: Final answer
    x = 436,814.06

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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.