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Finding the Fourth Proportional to 360,534.82, 497,553.60 and 199,389.91

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Solution

The fourth proportional to 360,534.82, 497,553.60 and 199,389.91 is: 275,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,534.82 : 497,553.60 = 199,389.91 : x
  2. Step 2: Convert to fraction form
    360,534.82/497,553.60 = 199,389.91/x
  3. Step 3: Cross multiply
    360,534.82x = 497,553.60 × 199,389.91
  4. Step 4: Simplify right side
    360,534.82x = 99,207,167,524.18
  5. Step 5: Solve for x
    x = 99,207,167,524.18/360,534.82
  6. Step 6: Final answer
    x = 275,166.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.