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Finding the Fourth Proportional to 461,777.80, 692,763.90 and 195,401.20

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Solution

The fourth proportional to 461,777.80, 692,763.90 and 195,401.20 is: 293,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,777.80 : 692,763.90 = 195,401.20 : x
  2. Step 2: Convert to fraction form
    461,777.80/692,763.90 = 195,401.20/x
  3. Step 3: Cross multiply
    461,777.80x = 692,763.90 × 195,401.20
  4. Step 4: Simplify right side
    461,777.80x = 135,366,897,376.68
  5. Step 5: Solve for x
    x = 135,366,897,376.68/461,777.80
  6. Step 6: Final answer
    x = 293,142.93

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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.