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Finding the Fourth Proportional to 357,857.55, 494,012.51 and 227,100.93

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Solution

The fourth proportional to 357,857.55, 494,012.51 and 227,100.93 is: 313,506.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,857.55 : 494,012.51 = 227,100.93 : x
  2. Step 2: Convert to fraction form
    357,857.55/494,012.51 = 227,100.93/x
  3. Step 3: Cross multiply
    357,857.55x = 494,012.51 × 227,100.93
  4. Step 4: Simplify right side
    357,857.55x = 112,190,699,317.13
  5. Step 5: Solve for x
    x = 112,190,699,317.13/357,857.55
  6. Step 6: Final answer
    x = 313,506.59

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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.