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Finding the Fourth Proportional to 602,348.78, 903,799.08 and 260,896.64

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Solution

The fourth proportional to 602,348.78, 903,799.08 and 260,896.64 is: 391,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,348.78 : 903,799.08 = 260,896.64 : x
  2. Step 2: Convert to fraction form
    602,348.78/903,799.08 = 260,896.64/x
  3. Step 3: Cross multiply
    602,348.78x = 903,799.08 × 260,896.64
  4. Step 4: Simplify right side
    602,348.78x = 235,798,143,207.09
  5. Step 5: Solve for x
    x = 235,798,143,207.09/602,348.78
  6. Step 6: Final answer
    x = 391,464.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.