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Finding the Fourth Proportional to 613,615.92, 846,814.96 and 341,666.59

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Solution

The fourth proportional to 613,615.92, 846,814.96 and 341,666.59 is: 471,513.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,615.92 : 846,814.96 = 341,666.59 : x
  2. Step 2: Convert to fraction form
    613,615.92/846,814.96 = 341,666.59/x
  3. Step 3: Cross multiply
    613,615.92x = 846,814.96 × 341,666.59
  4. Step 4: Simplify right side
    613,615.92x = 289,328,379,744.19
  5. Step 5: Solve for x
    x = 289,328,379,744.19/613,615.92
  6. Step 6: Final answer
    x = 471,513.81

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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.