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Finding the Fourth Proportional to 262,002.40, 393,392.40 and 183,464.80

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Solution

The fourth proportional to 262,002.40, 393,392.40 and 183,464.80 is: 275,469.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,002.40 : 393,392.40 = 183,464.80 : x
  2. Step 2: Convert to fraction form
    262,002.40/393,392.40 = 183,464.80/x
  3. Step 3: Cross multiply
    262,002.40x = 393,392.40 × 183,464.80
  4. Step 4: Simplify right side
    262,002.40x = 72,173,657,987.52
  5. Step 5: Solve for x
    x = 72,173,657,987.52/262,002.40
  6. Step 6: Final answer
    x = 275,469.45

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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.