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Finding the Fourth Proportional to 558,245.51, 770,355.32 and 316,544.34

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Solution

The fourth proportional to 558,245.51, 770,355.32 and 316,544.34 is: 436,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,245.51 : 770,355.32 = 316,544.34 : x
  2. Step 2: Convert to fraction form
    558,245.51/770,355.32 = 316,544.34/x
  3. Step 3: Cross multiply
    558,245.51x = 770,355.32 × 316,544.34
  4. Step 4: Simplify right side
    558,245.51x = 243,851,616,334.89
  5. Step 5: Solve for x
    x = 243,851,616,334.89/558,245.51
  6. Step 6: Final answer
    x = 436,817.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.