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Finding the Fourth Proportional to 521,137.40, 781,706.10 and 184,558.10

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Solution

The fourth proportional to 521,137.40, 781,706.10 and 184,558.10 is: 276,837.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,137.40 : 781,706.10 = 184,558.10 : x
  2. Step 2: Convert to fraction form
    521,137.40/781,706.10 = 184,558.10/x
  3. Step 3: Cross multiply
    521,137.40x = 781,706.10 × 184,558.10
  4. Step 4: Simplify right side
    521,137.40x = 144,270,192,574.41
  5. Step 5: Solve for x
    x = 144,270,192,574.41/521,137.40
  6. Step 6: Final answer
    x = 276,837.15

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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.