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Finding the Fourth Proportional to 483,292.92, 666,996.48 and 292,411.56

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Solution

The fourth proportional to 483,292.92, 666,996.48 and 292,411.56 is: 403,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,292.92 : 666,996.48 = 292,411.56 : x
  2. Step 2: Convert to fraction form
    483,292.92/666,996.48 = 292,411.56/x
  3. Step 3: Cross multiply
    483,292.92x = 666,996.48 × 292,411.56
  4. Step 4: Simplify right side
    483,292.92x = 195,037,481,231.31
  5. Step 5: Solve for x
    x = 195,037,481,231.31/483,292.92
  6. Step 6: Final answer
    x = 403,559.57

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1.5x scale

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.