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Finding the Fourth Proportional to 616,240.40, 925,051.80 and 367,062.80

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Solution

The fourth proportional to 616,240.40, 925,051.80 and 367,062.80 is: 551,005.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,240.40 : 925,051.80 = 367,062.80 : x
  2. Step 2: Convert to fraction form
    616,240.40/925,051.80 = 367,062.80/x
  3. Step 3: Cross multiply
    616,240.40x = 925,051.80 × 367,062.80
  4. Step 4: Simplify right side
    616,240.40x = 339,552,103,853.04
  5. Step 5: Solve for x
    x = 339,552,103,853.04/616,240.40
  6. Step 6: Final answer
    x = 551,005.91

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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.