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Finding the Fourth Proportional to 608,884.93, 840,262.83 and 336,971.57

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Solution

The fourth proportional to 608,884.93, 840,262.83 and 336,971.57 is: 465,021.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,884.93 : 840,262.83 = 336,971.57 : x
  2. Step 2: Convert to fraction form
    608,884.93/840,262.83 = 336,971.57/x
  3. Step 3: Cross multiply
    608,884.93x = 840,262.83 × 336,971.57
  4. Step 4: Simplify right side
    608,884.93x = 283,144,684,299.26
  5. Step 5: Solve for x
    x = 283,144,684,299.26/608,884.93
  6. Step 6: Final answer
    x = 465,021.67

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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.