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Finding the Fourth Proportional to 610,861.13, 916,423.29 and 184,361.25

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Solution

The fourth proportional to 610,861.13, 916,423.29 and 184,361.25 is: 276,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,861.13 : 916,423.29 = 184,361.25 : x
  2. Step 2: Convert to fraction form
    610,861.13/916,423.29 = 184,361.25/x
  3. Step 3: Cross multiply
    610,861.13x = 916,423.29 × 184,361.25
  4. Step 4: Simplify right side
    610,861.13x = 168,952,943,273.51
  5. Step 5: Solve for x
    x = 168,952,943,273.51/610,861.13
  6. Step 6: Final answer
    x = 276,581.59

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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.