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Finding the Fourth Proportional to 536,993.54, 741,036.87 and 291,970.56

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Solution

The fourth proportional to 536,993.54, 741,036.87 and 291,970.56 is: 402,911.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,993.54 : 741,036.87 = 291,970.56 : x
  2. Step 2: Convert to fraction form
    536,993.54/741,036.87 = 291,970.56/x
  3. Step 3: Cross multiply
    536,993.54x = 741,036.87 × 291,970.56
  4. Step 4: Simplify right side
    536,993.54x = 216,360,949,914.55
  5. Step 5: Solve for x
    x = 216,360,949,914.55/536,993.54
  6. Step 6: Final answer
    x = 402,911.64

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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.