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Finding the Fourth Proportional to 676,412.08, 933,575.16 and 483,342.64

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Solution

The fourth proportional to 676,412.08, 933,575.16 and 483,342.64 is: 667,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,412.08 : 933,575.16 = 483,342.64 : x
  2. Step 2: Convert to fraction form
    676,412.08/933,575.16 = 483,342.64/x
  3. Step 3: Cross multiply
    676,412.08x = 933,575.16 × 483,342.64
  4. Step 4: Simplify right side
    676,412.08x = 451,236,682,472.82
  5. Step 5: Solve for x
    x = 451,236,682,472.82/676,412.08
  6. Step 6: Final answer
    x = 667,103.23

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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.