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Finding the Fourth Proportional to 468,561.90, 702,840.54 and 113,575.94

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Solution

The fourth proportional to 468,561.90, 702,840.54 and 113,575.94 is: 170,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,561.90 : 702,840.54 = 113,575.94 : x
  2. Step 2: Convert to fraction form
    468,561.90/702,840.54 = 113,575.94/x
  3. Step 3: Cross multiply
    468,561.90x = 702,840.54 × 113,575.94
  4. Step 4: Simplify right side
    468,561.90x = 79,825,775,000.61
  5. Step 5: Solve for x
    x = 79,825,775,000.61/468,561.90
  6. Step 6: Final answer
    x = 170,363.35

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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.