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Finding the Fourth Proportional to 360,581.95, 497,590.68 and 199,436.50

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Solution

The fourth proportional to 360,581.95, 497,590.68 and 199,436.50 is: 275,215.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,581.95 : 497,590.68 = 199,436.50 : x
  2. Step 2: Convert to fraction form
    360,581.95/497,590.68 = 199,436.50/x
  3. Step 3: Cross multiply
    360,581.95x = 497,590.68 × 199,436.50
  4. Step 4: Simplify right side
    360,581.95x = 99,237,743,651.82
  5. Step 5: Solve for x
    x = 99,237,743,651.82/360,581.95
  6. Step 6: Final answer
    x = 275,215.51

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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.