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Finding the Fourth Proportional to 577,588.14, 866,166.48 and 198,401.22

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Solution

The fourth proportional to 577,588.14, 866,166.48 and 198,401.22 is: 297,527.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,588.14 : 866,166.48 = 198,401.22 : x
  2. Step 2: Convert to fraction form
    577,588.14/866,166.48 = 198,401.22/x
  3. Step 3: Cross multiply
    577,588.14x = 866,166.48 × 198,401.22
  4. Step 4: Simplify right side
    577,588.14x = 171,848,486,355.11
  5. Step 5: Solve for x
    x = 171,848,486,355.11/577,588.14
  6. Step 6: Final answer
    x = 297,527.73

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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.