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Finding the Fourth Proportional to 658,329.76, 987,494.62 and 185,015.12

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Solution

The fourth proportional to 658,329.76, 987,494.62 and 185,015.12 is: 277,522.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,329.76 : 987,494.62 = 185,015.12 : x
  2. Step 2: Convert to fraction form
    658,329.76/987,494.62 = 185,015.12/x
  3. Step 3: Cross multiply
    658,329.76x = 987,494.62 × 185,015.12
  4. Step 4: Simplify right side
    658,329.76x = 182,701,435,618.65
  5. Step 5: Solve for x
    x = 182,701,435,618.65/658,329.76
  6. Step 6: Final answer
    x = 277,522.67

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Double scale
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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.