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Finding the Fourth Proportional to 464,005.52, 640,372.56 and 260,091.08

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Solution

The fourth proportional to 464,005.52, 640,372.56 and 260,091.08 is: 358,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,005.52 : 640,372.56 = 260,091.08 : x
  2. Step 2: Convert to fraction form
    464,005.52/640,372.56 = 260,091.08/x
  3. Step 3: Cross multiply
    464,005.52x = 640,372.56 × 260,091.08
  4. Step 4: Simplify right side
    464,005.52x = 166,555,190,732.77
  5. Step 5: Solve for x
    x = 166,555,190,732.77/464,005.52
  6. Step 6: Final answer
    x = 358,950.88

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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.