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Finding the Fourth Proportional to 492,264.48, 679,325.28 and 265,910.08

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Solution

The fourth proportional to 492,264.48, 679,325.28 and 265,910.08 is: 366,956.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,264.48 : 679,325.28 = 265,910.08 : x
  2. Step 2: Convert to fraction form
    492,264.48/679,325.28 = 265,910.08/x
  3. Step 3: Cross multiply
    492,264.48x = 679,325.28 × 265,910.08
  4. Step 4: Simplify right side
    492,264.48x = 180,639,439,550.82
  5. Step 5: Solve for x
    x = 180,639,439,550.82/492,264.48
  6. Step 6: Final answer
    x = 366,956.07

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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.