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Finding the Fourth Proportional to 616,118.58, 849,691.02 and 513,093.86

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Solution

The fourth proportional to 616,118.58, 849,691.02 and 513,093.86 is: 707,609.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,118.58 : 849,691.02 = 513,093.86 : x
  2. Step 2: Convert to fraction form
    616,118.58/849,691.02 = 513,093.86/x
  3. Step 3: Cross multiply
    616,118.58x = 849,691.02 × 513,093.86
  4. Step 4: Simplify right side
    616,118.58x = 435,971,245,259.14
  5. Step 5: Solve for x
    x = 435,971,245,259.14/616,118.58
  6. Step 6: Final answer
    x = 707,609.31

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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.