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Finding the Fourth Proportional to 467,580.66, 645,248.34 and 263,629.77

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Solution

The fourth proportional to 467,580.66, 645,248.34 and 263,629.77 is: 363,801.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,580.66 : 645,248.34 = 263,629.77 : x
  2. Step 2: Convert to fraction form
    467,580.66/645,248.34 = 263,629.77/x
  3. Step 3: Cross multiply
    467,580.66x = 645,248.34 × 263,629.77
  4. Step 4: Simplify right side
    467,580.66x = 170,106,671,467.08
  5. Step 5: Solve for x
    x = 170,106,671,467.08/467,580.66
  6. Step 6: Final answer
    x = 363,801.77

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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.