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Finding the Fourth Proportional to 464,455.52, 640,897.37 and 260,464.46

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Solution

The fourth proportional to 464,455.52, 640,897.37 and 260,464.46 is: 359,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,455.52 : 640,897.37 = 260,464.46 : x
  2. Step 2: Convert to fraction form
    464,455.52/640,897.37 = 260,464.46/x
  3. Step 3: Cross multiply
    464,455.52x = 640,897.37 × 260,464.46
  4. Step 4: Simplify right side
    464,455.52x = 166,930,982,885.66
  5. Step 5: Solve for x
    x = 166,930,982,885.66/464,455.52
  6. Step 6: Final answer
    x = 359,412.21

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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.