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Finding the Fourth Proportional to 536,765.74, 740,728.42 and 295,043.11

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Solution

The fourth proportional to 536,765.74, 740,728.42 and 295,043.11 is: 407,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,765.74 : 740,728.42 = 295,043.11 : x
  2. Step 2: Convert to fraction form
    536,765.74/740,728.42 = 295,043.11/x
  3. Step 3: Cross multiply
    536,765.74x = 740,728.42 × 295,043.11
  4. Step 4: Simplify right side
    536,765.74x = 218,546,814,112.76
  5. Step 5: Solve for x
    x = 218,546,814,112.76/536,765.74
  6. Step 6: Final answer
    x = 407,154.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.