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Finding the Fourth Proportional to 528,511.56, 792,470.22 and 173,495.88

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Solution

The fourth proportional to 528,511.56, 792,470.22 and 173,495.88 is: 260,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,511.56 : 792,470.22 = 173,495.88 : x
  2. Step 2: Convert to fraction form
    528,511.56/792,470.22 = 173,495.88/x
  3. Step 3: Cross multiply
    528,511.56x = 792,470.22 × 173,495.88
  4. Step 4: Simplify right side
    528,511.56x = 137,490,318,192.69
  5. Step 5: Solve for x
    x = 137,490,318,192.69/528,511.56
  6. Step 6: Final answer
    x = 260,146.28

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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.