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Finding the Fourth Proportional to 466,246.59, 643,359.80 and 262,290.63

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Solution

The fourth proportional to 466,246.59, 643,359.80 and 262,290.63 is: 361,927.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,246.59 : 643,359.80 = 262,290.63 : x
  2. Step 2: Convert to fraction form
    466,246.59/643,359.80 = 262,290.63/x
  3. Step 3: Cross multiply
    466,246.59x = 643,359.80 × 262,290.63
  4. Step 4: Simplify right side
    466,246.59x = 168,747,245,947.22
  5. Step 5: Solve for x
    x = 168,747,245,947.22/466,246.59
  6. Step 6: Final answer
    x = 361,927.04

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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.