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Finding the Fourth Proportional to 461,990.93, 692,749.62 and 245,972.30

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Solution

The fourth proportional to 461,990.93, 692,749.62 and 245,972.30 is: 368,832.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,990.93 : 692,749.62 = 245,972.30 : x
  2. Step 2: Convert to fraction form
    461,990.93/692,749.62 = 245,972.30/x
  3. Step 3: Cross multiply
    461,990.93x = 692,749.62 × 245,972.30
  4. Step 4: Simplify right side
    461,990.93x = 170,397,213,891.78
  5. Step 5: Solve for x
    x = 170,397,213,891.78/461,990.93
  6. Step 6: Final answer
    x = 368,832.38

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1.5x scale

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.