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Finding the Fourth Proportional to 886,297.70, 1,329,774.60 and 354,200.60

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Solution

The fourth proportional to 886,297.70, 1,329,774.60 and 354,200.60 is: 531,432.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,297.70 : 1,329,774.60 = 354,200.60 : x
  2. Step 2: Convert to fraction form
    886,297.70/1,329,774.60 = 354,200.60/x
  3. Step 3: Cross multiply
    886,297.70x = 1,329,774.60 × 354,200.60
  4. Step 4: Simplify right side
    886,297.70x = 471,006,961,184.76
  5. Step 5: Solve for x
    x = 471,006,961,184.76/886,297.70
  6. Step 6: Final answer
    x = 531,432.00

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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.