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Finding the Fourth Proportional to 876,695.60, 1,314,006.60 and 455,754.80

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Solution

The fourth proportional to 876,695.60, 1,314,006.60 and 455,754.80 is: 683,093.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,695.60 : 1,314,006.60 = 455,754.80 : x
  2. Step 2: Convert to fraction form
    876,695.60/1,314,006.60 = 455,754.80/x
  3. Step 3: Cross multiply
    876,695.60x = 1,314,006.60 × 455,754.80
  4. Step 4: Simplify right side
    876,695.60x = 598,864,815,181.68
  5. Step 5: Solve for x
    x = 598,864,815,181.68/876,695.60
  6. Step 6: Final answer
    x = 683,093.21

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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.