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Finding the Fourth Proportional to 360,069.16, 496,880.20 and 207,095.80

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Solution

The fourth proportional to 360,069.16, 496,880.20 and 207,095.80 is: 285,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,069.16 : 496,880.20 = 207,095.80 : x
  2. Step 2: Convert to fraction form
    360,069.16/496,880.20 = 207,095.80/x
  3. Step 3: Cross multiply
    360,069.16x = 496,880.20 × 207,095.80
  4. Step 4: Simplify right side
    360,069.16x = 102,901,802,523.16
  5. Step 5: Solve for x
    x = 102,901,802,523.16/360,069.16
  6. Step 6: Final answer
    x = 285,783.44

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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.