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Finding the Fourth Proportional to 575,785.86, 863,653.86 and 196,740.42

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Solution

The fourth proportional to 575,785.86, 863,653.86 and 196,740.42 is: 295,102.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,785.86 : 863,653.86 = 196,740.42 : x
  2. Step 2: Convert to fraction form
    575,785.86/863,653.86 = 196,740.42/x
  3. Step 3: Cross multiply
    575,785.86x = 863,653.86 × 196,740.42
  4. Step 4: Simplify right side
    575,785.86x = 169,915,623,151.02
  5. Step 5: Solve for x
    x = 169,915,623,151.02/575,785.86
  6. Step 6: Final answer
    x = 295,102.11

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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.