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Finding the Fourth Proportional to 575,311.43, 862,828.74 and 175,955.66

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Solution

The fourth proportional to 575,311.43, 862,828.74 and 175,955.66 is: 263,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,311.43 : 862,828.74 = 175,955.66 : x
  2. Step 2: Convert to fraction form
    575,311.43/862,828.74 = 175,955.66/x
  3. Step 3: Cross multiply
    575,311.43x = 862,828.74 × 175,955.66
  4. Step 4: Simplify right side
    575,311.43x = 151,819,600,413.67
  5. Step 5: Solve for x
    x = 151,819,600,413.67/575,311.43
  6. Step 6: Final answer
    x = 263,891.16

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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.