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Finding the Fourth Proportional to 492,262.48, 679,322.52 and 265,908.08

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Solution

The fourth proportional to 492,262.48, 679,322.52 and 265,908.08 is: 366,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,262.48 : 679,322.52 = 265,908.08 : x
  2. Step 2: Convert to fraction form
    492,262.48/679,322.52 = 265,908.08/x
  3. Step 3: Cross multiply
    492,262.48x = 679,322.52 × 265,908.08
  4. Step 4: Simplify right side
    492,262.48x = 180,637,346,993.96
  5. Step 5: Solve for x
    x = 180,637,346,993.96/492,262.48
  6. Step 6: Final answer
    x = 366,953.31

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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.