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Finding the Fourth Proportional to 593,086.60, 889,629.90 and 260,662.60

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Solution

The fourth proportional to 593,086.60, 889,629.90 and 260,662.60 is: 390,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,086.60 : 889,629.90 = 260,662.60 : x
  2. Step 2: Convert to fraction form
    593,086.60/889,629.90 = 260,662.60/x
  3. Step 3: Cross multiply
    593,086.60x = 889,629.90 × 260,662.60
  4. Step 4: Simplify right side
    593,086.60x = 231,893,242,771.74
  5. Step 5: Solve for x
    x = 231,893,242,771.74/593,086.60
  6. Step 6: Final answer
    x = 390,993.90

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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.