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Finding the Fourth Proportional to 658,289.84, 987,471.60 and 184,938.26

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Solution

The fourth proportional to 658,289.84, 987,471.60 and 184,938.26 is: 277,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,289.84 : 987,471.60 = 184,938.26 : x
  2. Step 2: Convert to fraction form
    658,289.84/987,471.60 = 184,938.26/x
  3. Step 3: Cross multiply
    658,289.84x = 987,471.60 × 184,938.26
  4. Step 4: Simplify right side
    658,289.84x = 182,621,279,503.42
  5. Step 5: Solve for x
    x = 182,621,279,503.42/658,289.84
  6. Step 6: Final answer
    x = 277,417.74

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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.