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Finding the Fourth Proportional to 262,003.40, 393,393.90 and 183,465.80

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Solution

The fourth proportional to 262,003.40, 393,393.90 and 183,465.80 is: 275,470.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,003.40 : 393,393.90 = 183,465.80 : x
  2. Step 2: Convert to fraction form
    262,003.40/393,393.90 = 183,465.80/x
  3. Step 3: Cross multiply
    262,003.40x = 393,393.90 × 183,465.80
  4. Step 4: Simplify right side
    262,003.40x = 72,174,326,578.62
  5. Step 5: Solve for x
    x = 72,174,326,578.62/262,003.40
  6. Step 6: Final answer
    x = 275,470.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.