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Finding the Fourth Proportional to 459,208.73, 633,715.65 and 252,485.87

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Solution

The fourth proportional to 459,208.73, 633,715.65 and 252,485.87 is: 348,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,208.73 : 633,715.65 = 252,485.87 : x
  2. Step 2: Convert to fraction form
    459,208.73/633,715.65 = 252,485.87/x
  3. Step 3: Cross multiply
    459,208.73x = 633,715.65 × 252,485.87
  4. Step 4: Simplify right side
    459,208.73x = 160,004,244,054.29
  5. Step 5: Solve for x
    x = 160,004,244,054.29/459,208.73
  6. Step 6: Final answer
    x = 348,434.67

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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.