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Finding the Fourth Proportional to 437,597.60, 656,507.10 and 122,054.48

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Solution

The fourth proportional to 437,597.60, 656,507.10 and 122,054.48 is: 183,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,597.60 : 656,507.10 = 122,054.48 : x
  2. Step 2: Convert to fraction form
    437,597.60/656,507.10 = 122,054.48/x
  3. Step 3: Cross multiply
    437,597.60x = 656,507.10 × 122,054.48
  4. Step 4: Simplify right side
    437,597.60x = 80,129,632,706.81
  5. Step 5: Solve for x
    x = 80,129,632,706.81/437,597.60
  6. Step 6: Final answer
    x = 183,112.60

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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.