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Finding the Fourth Proportional to 453,620.40, 625,955.49 and 262,646.70

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Solution

The fourth proportional to 453,620.40, 625,955.49 and 262,646.70 is: 362,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,620.40 : 625,955.49 = 262,646.70 : x
  2. Step 2: Convert to fraction form
    453,620.40/625,955.49 = 262,646.70/x
  3. Step 3: Cross multiply
    453,620.40x = 625,955.49 × 262,646.70
  4. Step 4: Simplify right side
    453,620.40x = 164,405,143,795.38
  5. Step 5: Solve for x
    x = 164,405,143,795.38/453,620.40
  6. Step 6: Final answer
    x = 362,428.90

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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.