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Finding the Fourth Proportional to 519,989.40, 779,984.10 and 183,410.10

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Solution

The fourth proportional to 519,989.40, 779,984.10 and 183,410.10 is: 275,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,989.40 : 779,984.10 = 183,410.10 : x
  2. Step 2: Convert to fraction form
    519,989.40/779,984.10 = 183,410.10/x
  3. Step 3: Cross multiply
    519,989.40x = 779,984.10 × 183,410.10
  4. Step 4: Simplify right side
    519,989.40x = 143,056,961,779.41
  5. Step 5: Solve for x
    x = 143,056,961,779.41/519,989.40
  6. Step 6: Final answer
    x = 275,115.15

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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.