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Finding the Fourth Proportional to 453,162.40, 679,798.98 and 153,728.63

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Solution

The fourth proportional to 453,162.40, 679,798.98 and 153,728.63 is: 230,611.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,162.40 : 679,798.98 = 153,728.63 : x
  2. Step 2: Convert to fraction form
    453,162.40/679,798.98 = 153,728.63/x
  3. Step 3: Cross multiply
    453,162.40x = 679,798.98 × 153,728.63
  4. Step 4: Simplify right side
    453,162.40x = 104,504,568,844.92
  5. Step 5: Solve for x
    x = 104,504,568,844.92/453,162.40
  6. Step 6: Final answer
    x = 230,611.74

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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.