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Finding the Fourth Proportional to 616,030.41, 921,797.55 and 363,431.91

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Solution

The fourth proportional to 616,030.41, 921,797.55 and 363,431.91 is: 543,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,030.41 : 921,797.55 = 363,431.91 : x
  2. Step 2: Convert to fraction form
    616,030.41/921,797.55 = 363,431.91/x
  3. Step 3: Cross multiply
    616,030.41x = 921,797.55 × 363,431.91
  4. Step 4: Simplify right side
    616,030.41x = 335,010,647,686.56
  5. Step 5: Solve for x
    x = 335,010,647,686.56/616,030.41
  6. Step 6: Final answer
    x = 543,821.60

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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.