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Finding the Fourth Proportional to 480,961.06, 663,745.80 and 266,097.63

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Solution

The fourth proportional to 480,961.06, 663,745.80 and 266,097.63 is: 367,225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,961.06 : 663,745.80 = 266,097.63 : x
  2. Step 2: Convert to fraction form
    480,961.06/663,745.80 = 266,097.63/x
  3. Step 3: Cross multiply
    480,961.06x = 663,745.80 × 266,097.63
  4. Step 4: Simplify right side
    480,961.06x = 176,621,184,302.45
  5. Step 5: Solve for x
    x = 176,621,184,302.45/480,961.06
  6. Step 6: Final answer
    x = 367,225.54

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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.