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Finding the Fourth Proportional to 397,608.60, 596,208.60 and 117,089.40

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Solution

The fourth proportional to 397,608.60, 596,208.60 and 117,089.40 is: 175,573.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,608.60 : 596,208.60 = 117,089.40 : x
  2. Step 2: Convert to fraction form
    397,608.60/596,208.60 = 117,089.40/x
  3. Step 3: Cross multiply
    397,608.60x = 596,208.60 × 117,089.40
  4. Step 4: Simplify right side
    397,608.60x = 69,809,707,248.84
  5. Step 5: Solve for x
    x = 69,809,707,248.84/397,608.60
  6. Step 6: Final answer
    x = 175,573.94

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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.