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Finding the Fourth Proportional to 663,175.20, 994,762.80 and 605,114.40

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Solution

The fourth proportional to 663,175.20, 994,762.80 and 605,114.40 is: 907,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,175.20 : 994,762.80 = 605,114.40 : x
  2. Step 2: Convert to fraction form
    663,175.20/994,762.80 = 605,114.40/x
  3. Step 3: Cross multiply
    663,175.20x = 994,762.80 × 605,114.40
  4. Step 4: Simplify right side
    663,175.20x = 601,945,294,864.32
  5. Step 5: Solve for x
    x = 601,945,294,864.32/663,175.20
  6. Step 6: Final answer
    x = 907,671.60

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Similar ratio
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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.