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Finding the Fourth Proportional to 601,922.90, 830,738.43 and 372,553.73

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Solution

The fourth proportional to 601,922.90, 830,738.43 and 372,553.73 is: 514,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,922.90 : 830,738.43 = 372,553.73 : x
  2. Step 2: Convert to fraction form
    601,922.90/830,738.43 = 372,553.73/x
  3. Step 3: Cross multiply
    601,922.90x = 830,738.43 × 372,553.73
  4. Step 4: Simplify right side
    601,922.90x = 309,494,699,712.42
  5. Step 5: Solve for x
    x = 309,494,699,712.42/601,922.90
  6. Step 6: Final answer
    x = 514,176.65

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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.