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Finding the Fourth Proportional to 609,357.66, 840,854.89 and 364,293.98

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Solution

The fourth proportional to 609,357.66, 840,854.89 and 364,293.98 is: 502,690.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,357.66 : 840,854.89 = 364,293.98 : x
  2. Step 2: Convert to fraction form
    609,357.66/840,854.89 = 364,293.98/x
  3. Step 3: Cross multiply
    609,357.66x = 840,854.89 × 364,293.98
  4. Step 4: Simplify right side
    609,357.66x = 306,318,374,480.56
  5. Step 5: Solve for x
    x = 306,318,374,480.56/609,357.66
  6. Step 6: Final answer
    x = 502,690.61

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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.