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Finding the Fourth Proportional to 658,662.89, 987,994.34 and 160,026.89

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Solution

The fourth proportional to 658,662.89, 987,994.34 and 160,026.89 is: 240,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,662.89 : 987,994.34 = 160,026.89 : x
  2. Step 2: Convert to fraction form
    658,662.89/987,994.34 = 160,026.89/x
  3. Step 3: Cross multiply
    658,662.89x = 987,994.34 × 160,026.89
  4. Step 4: Simplify right side
    658,662.89x = 158,105,661,535.19
  5. Step 5: Solve for x
    x = 158,105,661,535.19/658,662.89
  6. Step 6: Final answer
    x = 240,040.34

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Similar ratio
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1.5x scale

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.