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Finding the Fourth Proportional to 593,149.60, 889,724.40 and 493,422.40

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Solution

The fourth proportional to 593,149.60, 889,724.40 and 493,422.40 is: 740,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,149.60 : 889,724.40 = 493,422.40 : x
  2. Step 2: Convert to fraction form
    593,149.60/889,724.40 = 493,422.40/x
  3. Step 3: Cross multiply
    593,149.60x = 889,724.40 × 493,422.40
  4. Step 4: Simplify right side
    593,149.60x = 439,009,948,786.56
  5. Step 5: Solve for x
    x = 439,009,948,786.56/593,149.60
  6. Step 6: Final answer
    x = 740,133.60

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Double scale
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Similar ratio
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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.