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Finding the Fourth Proportional to 593,291.20, 889,850.40 and 172,523.20

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Solution

The fourth proportional to 593,291.20, 889,850.40 and 172,523.20 is: 258,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,291.20 : 889,850.40 = 172,523.20 : x
  2. Step 2: Convert to fraction form
    593,291.20/889,850.40 = 172,523.20/x
  3. Step 3: Cross multiply
    593,291.20x = 889,850.40 × 172,523.20
  4. Step 4: Simplify right side
    593,291.20x = 153,519,838,529.28
  5. Step 5: Solve for x
    x = 153,519,838,529.28/593,291.20
  6. Step 6: Final answer
    x = 258,759.68

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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.