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Finding the Fourth Proportional to 648,248.48, 972,372.72 and 174,933.84

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Solution

The fourth proportional to 648,248.48, 972,372.72 and 174,933.84 is: 262,400.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,248.48 : 972,372.72 = 174,933.84 : x
  2. Step 2: Convert to fraction form
    648,248.48/972,372.72 = 174,933.84/x
  3. Step 3: Cross multiply
    648,248.48x = 972,372.72 × 174,933.84
  4. Step 4: Simplify right side
    648,248.48x = 170,100,893,820.85
  5. Step 5: Solve for x
    x = 170,100,893,820.85/648,248.48
  6. Step 6: Final answer
    x = 262,400.76

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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.