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Finding the Fourth Proportional to 360,450.90, 497,402.19 and 199,296.27

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Solution

The fourth proportional to 360,450.90, 497,402.19 and 199,296.27 is: 275,017.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,450.90 : 497,402.19 = 199,296.27 : x
  2. Step 2: Convert to fraction form
    360,450.90/497,402.19 = 199,296.27/x
  3. Step 3: Cross multiply
    360,450.90x = 497,402.19 × 199,296.27
  4. Step 4: Simplify right side
    360,450.90x = 99,130,401,156.83
  5. Step 5: Solve for x
    x = 99,130,401,156.83/360,450.90
  6. Step 6: Final answer
    x = 275,017.77

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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.