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Finding the Fourth Proportional to 291,544.87, 402,344.36 and 162,483.47

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Solution

The fourth proportional to 291,544.87, 402,344.36 and 162,483.47 is: 224,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,544.87 : 402,344.36 = 162,483.47 : x
  2. Step 2: Convert to fraction form
    291,544.87/402,344.36 = 162,483.47/x
  3. Step 3: Cross multiply
    291,544.87x = 402,344.36 × 162,483.47
  4. Step 4: Simplify right side
    291,544.87x = 65,374,307,955.66
  5. Step 5: Solve for x
    x = 65,374,307,955.66/291,544.87
  6. Step 6: Final answer
    x = 224,234.12

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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.