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Finding the Fourth Proportional to 483,289.68, 666,992.16 and 292,408.32

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Solution

The fourth proportional to 483,289.68, 666,992.16 and 292,408.32 is: 403,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,289.68 : 666,992.16 = 292,408.32 : x
  2. Step 2: Convert to fraction form
    483,289.68/666,992.16 = 292,408.32/x
  3. Step 3: Cross multiply
    483,289.68x = 666,992.16 × 292,408.32
  4. Step 4: Simplify right side
    483,289.68x = 195,034,056,958.77
  5. Step 5: Solve for x
    x = 195,034,056,958.77/483,289.68
  6. Step 6: Final answer
    x = 403,555.19

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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.