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Finding the Fourth Proportional to 607,733.66, 911,797.32 and 292,149.56

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Solution

The fourth proportional to 607,733.66, 911,797.32 and 292,149.56 is: 438,318.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,733.66 : 911,797.32 = 292,149.56 : x
  2. Step 2: Convert to fraction form
    607,733.66/911,797.32 = 292,149.56/x
  3. Step 3: Cross multiply
    607,733.66x = 911,797.32 × 292,149.56
  4. Step 4: Simplify right side
    607,733.66x = 266,381,185,847.18
  5. Step 5: Solve for x
    x = 266,381,185,847.18/607,733.66
  6. Step 6: Final answer
    x = 438,318.96

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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.