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Finding the Fourth Proportional to 608,858.21, 840,211.75 and 336,925.92

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Solution

The fourth proportional to 608,858.21, 840,211.75 and 336,925.92 is: 464,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,858.21 : 840,211.75 = 336,925.92 : x
  2. Step 2: Convert to fraction form
    608,858.21/840,211.75 = 336,925.92/x
  3. Step 3: Cross multiply
    608,858.21x = 840,211.75 × 336,925.92
  4. Step 4: Simplify right side
    608,858.21x = 283,089,116,863.56
  5. Step 5: Solve for x
    x = 283,089,116,863.56/608,858.21
  6. Step 6: Final answer
    x = 464,950.81

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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.