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Finding the Fourth Proportional to 658,777.86, 988,225.11 and 185,467.32

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Solution

The fourth proportional to 658,777.86, 988,225.11 and 185,467.32 is: 278,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,777.86 : 988,225.11 = 185,467.32 : x
  2. Step 2: Convert to fraction form
    658,777.86/988,225.11 = 185,467.32/x
  3. Step 3: Cross multiply
    658,777.86x = 988,225.11 × 185,467.32
  4. Step 4: Simplify right side
    658,777.86x = 183,283,462,708.41
  5. Step 5: Solve for x
    x = 183,283,462,708.41/658,777.86
  6. Step 6: Final answer
    x = 278,217.40

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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.