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Finding the Fourth Proportional to 662,346.85, 993,521.30 and 189,032.21

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Solution

The fourth proportional to 662,346.85, 993,521.30 and 189,032.21 is: 283,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,346.85 : 993,521.30 = 189,032.21 : x
  2. Step 2: Convert to fraction form
    662,346.85/993,521.30 = 189,032.21/x
  3. Step 3: Cross multiply
    662,346.85x = 993,521.30 × 189,032.21
  4. Step 4: Simplify right side
    662,346.85x = 187,807,522,039.73
  5. Step 5: Solve for x
    x = 187,807,522,039.73/662,346.85
  6. Step 6: Final answer
    x = 283,548.60

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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.