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Finding the Fourth Proportional to 607,627.72, 911,438.70 and 337,628.68

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Solution

The fourth proportional to 607,627.72, 911,438.70 and 337,628.68 is: 506,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,627.72 : 911,438.70 = 337,628.68 : x
  2. Step 2: Convert to fraction form
    607,627.72/911,438.70 = 337,628.68/x
  3. Step 3: Cross multiply
    607,627.72x = 911,438.70 × 337,628.68
  4. Step 4: Simplify right side
    607,627.72x = 307,727,845,181.92
  5. Step 5: Solve for x
    x = 307,727,845,181.92/607,627.72
  6. Step 6: Final answer
    x = 506,441.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.