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Finding the Fourth Proportional to 360,479.87, 497,452.35 and 199,329.41

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Solution

The fourth proportional to 360,479.87, 497,452.35 and 199,329.41 is: 275,069.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,479.87 : 497,452.35 = 199,329.41 : x
  2. Step 2: Convert to fraction form
    360,479.87/497,452.35 = 199,329.41/x
  3. Step 3: Cross multiply
    360,479.87x = 497,452.35 × 199,329.41
  4. Step 4: Simplify right side
    360,479.87x = 99,156,880,941.35
  5. Step 5: Solve for x
    x = 99,156,880,941.35/360,479.87
  6. Step 6: Final answer
    x = 275,069.12

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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.