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Finding the Fourth Proportional to 477,179.74, 715,715.52 and 122,196.34

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Solution

The fourth proportional to 477,179.74, 715,715.52 and 122,196.34 is: 183,280.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,179.74 : 715,715.52 = 122,196.34 : x
  2. Step 2: Convert to fraction form
    477,179.74/715,715.52 = 122,196.34/x
  3. Step 3: Cross multiply
    477,179.74x = 715,715.52 × 122,196.34
  4. Step 4: Simplify right side
    477,179.74x = 87,457,817,025.20
  5. Step 5: Solve for x
    x = 87,457,817,025.20/477,179.74
  6. Step 6: Final answer
    x = 183,280.66

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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.