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Finding the Fourth Proportional to 706,194.92, 973,634.26 and 457,394.21

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Solution

The fourth proportional to 706,194.92, 973,634.26 and 457,394.21 is: 630,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,194.92 : 973,634.26 = 457,394.21 : x
  2. Step 2: Convert to fraction form
    706,194.92/973,634.26 = 457,394.21/x
  3. Step 3: Cross multiply
    706,194.92x = 973,634.26 × 457,394.21
  4. Step 4: Simplify right side
    706,194.92x = 445,334,673,181.64
  5. Step 5: Solve for x
    x = 445,334,673,181.64/706,194.92
  6. Step 6: Final answer
    x = 630,611.55

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Double scale
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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.