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Finding the Fourth Proportional to 554,312.16, 831,468.24 and 133,588.44

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Solution

The fourth proportional to 554,312.16, 831,468.24 and 133,588.44 is: 200,382.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,312.16 : 831,468.24 = 133,588.44 : x
  2. Step 2: Convert to fraction form
    554,312.16/831,468.24 = 133,588.44/x
  3. Step 3: Cross multiply
    554,312.16x = 831,468.24 × 133,588.44
  4. Step 4: Simplify right side
    554,312.16x = 111,074,545,091.15
  5. Step 5: Solve for x
    x = 111,074,545,091.15/554,312.16
  6. Step 6: Final answer
    x = 200,382.66

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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.