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Finding the Fourth Proportional to 616,089.13, 850,203 and 347,817.13

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Solution

The fourth proportional to 616,089.13, 850,203 and 347,817.13 is: 479,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,089.13 : 850,203 = 347,817.13 : x
  2. Step 2: Convert to fraction form
    616,089.13/850,203 = 347,817.13/x
  3. Step 3: Cross multiply
    616,089.13x = 850,203 × 347,817.13
  4. Step 4: Simplify right side
    616,089.13x = 295,715,167,377.39
  5. Step 5: Solve for x
    x = 295,715,167,377.39/616,089.13
  6. Step 6: Final answer
    x = 479,987.64

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1.5x scale

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.