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Finding the Fourth Proportional to 357,264.87, 535,581.73 and 273,399.49

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Solution

The fourth proportional to 357,264.87, 535,581.73 and 273,399.49 is: 409,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,264.87 : 535,581.73 = 273,399.49 : x
  2. Step 2: Convert to fraction form
    357,264.87/535,581.73 = 273,399.49/x
  3. Step 3: Cross multiply
    357,264.87x = 535,581.73 × 273,399.49
  4. Step 4: Simplify right side
    357,264.87x = 146,427,771,835.32
  5. Step 5: Solve for x
    x = 146,427,771,835.32/357,264.87
  6. Step 6: Final answer
    x = 409,857.74

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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.