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Finding the Fourth Proportional to 481,875.70, 722,813.55 and 404,893.30

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Solution

The fourth proportional to 481,875.70, 722,813.55 and 404,893.30 is: 607,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,875.70 : 722,813.55 = 404,893.30 : x
  2. Step 2: Convert to fraction form
    481,875.70/722,813.55 = 404,893.30/x
  3. Step 3: Cross multiply
    481,875.70x = 722,813.55 × 404,893.30
  4. Step 4: Simplify right side
    481,875.70x = 292,662,363,544.22
  5. Step 5: Solve for x
    x = 292,662,363,544.22/481,875.70
  6. Step 6: Final answer
    x = 607,339.95

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Similar ratio
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1.5x scale

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.