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Finding the Fourth Proportional to 554,019.24, 831,028.86 and 133,295.12

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Solution

The fourth proportional to 554,019.24, 831,028.86 and 133,295.12 is: 199,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,019.24 : 831,028.86 = 133,295.12 : x
  2. Step 2: Convert to fraction form
    554,019.24/831,028.86 = 133,295.12/x
  3. Step 3: Cross multiply
    554,019.24x = 831,028.86 × 133,295.12
  4. Step 4: Simplify right side
    554,019.24x = 110,772,091,617.16
  5. Step 5: Solve for x
    x = 110,772,091,617.16/554,019.24
  6. Step 6: Final answer
    x = 199,942.68

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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.