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Finding the Fourth Proportional to 658,647.05, 988,051.37 and 185,332.86

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Solution

The fourth proportional to 658,647.05, 988,051.37 and 185,332.86 is: 278,022.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,647.05 : 988,051.37 = 185,332.86 : x
  2. Step 2: Convert to fraction form
    658,647.05/988,051.37 = 185,332.86/x
  3. Step 3: Cross multiply
    658,647.05x = 988,051.37 × 185,332.86
  4. Step 4: Simplify right side
    658,647.05x = 183,118,385,302.35
  5. Step 5: Solve for x
    x = 183,118,385,302.35/658,647.05
  6. Step 6: Final answer
    x = 278,022.03

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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.