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Finding the Fourth Proportional to 466,485.62, 643,742.91 and 259,752.56

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Solution

The fourth proportional to 466,485.62, 643,742.91 and 259,752.56 is: 358,454.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,485.62 : 643,742.91 = 259,752.56 : x
  2. Step 2: Convert to fraction form
    466,485.62/643,742.91 = 259,752.56/x
  3. Step 3: Cross multiply
    466,485.62x = 643,742.91 × 259,752.56
  4. Step 4: Simplify right side
    466,485.62x = 167,213,865,635.64
  5. Step 5: Solve for x
    x = 167,213,865,635.64/466,485.62
  6. Step 6: Final answer
    x = 358,454.50

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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.