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Finding the Fourth Proportional to 453,149.82, 625,322.70 and 262,166.40

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Solution

The fourth proportional to 453,149.82, 625,322.70 and 262,166.40 is: 361,775.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,149.82 : 625,322.70 = 262,166.40 : x
  2. Step 2: Convert to fraction form
    453,149.82/625,322.70 = 262,166.40/x
  3. Step 3: Cross multiply
    453,149.82x = 625,322.70 × 262,166.40
  4. Step 4: Simplify right side
    453,149.82x = 163,938,601,097.28
  5. Step 5: Solve for x
    x = 163,938,601,097.28/453,149.82
  6. Step 6: Final answer
    x = 361,775.72

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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.