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Finding the Fourth Proportional to 469,967.08, 648,569.08 and 276,339.82

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Solution

The fourth proportional to 469,967.08, 648,569.08 and 276,339.82 is: 381,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,967.08 : 648,569.08 = 276,339.82 : x
  2. Step 2: Convert to fraction form
    469,967.08/648,569.08 = 276,339.82/x
  3. Step 3: Cross multiply
    469,967.08x = 648,569.08 × 276,339.82
  4. Step 4: Simplify right side
    469,967.08x = 179,225,462,824.77
  5. Step 5: Solve for x
    x = 179,225,462,824.77/469,967.08
  6. Step 6: Final answer
    x = 381,357.48

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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.