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Finding the Fourth Proportional to 893,782.58, 1,338,878.81 and 413,336.95

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Solution

The fourth proportional to 893,782.58, 1,338,878.81 and 413,336.95 is: 619,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,782.58 : 1,338,878.81 = 413,336.95 : x
  2. Step 2: Convert to fraction form
    893,782.58/1,338,878.81 = 413,336.95/x
  3. Step 3: Cross multiply
    893,782.58x = 1,338,878.81 × 413,336.95
  4. Step 4: Simplify right side
    893,782.58x = 553,408,078,331.15
  5. Step 5: Solve for x
    x = 553,408,078,331.15/893,782.58
  6. Step 6: Final answer
    x = 619,175.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.