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Finding the Fourth Proportional to 554,334.60, 831,501.90 and 239,406.60

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Solution

The fourth proportional to 554,334.60, 831,501.90 and 239,406.60 is: 359,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,334.60 : 831,501.90 = 239,406.60 : x
  2. Step 2: Convert to fraction form
    554,334.60/831,501.90 = 239,406.60/x
  3. Step 3: Cross multiply
    554,334.60x = 831,501.90 × 239,406.60
  4. Step 4: Simplify right side
    554,334.60x = 199,067,042,772.54
  5. Step 5: Solve for x
    x = 199,067,042,772.54/554,334.60
  6. Step 6: Final answer
    x = 359,109.90

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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.