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Finding the Fourth Proportional to 424,995.06, 637,561.77 and 125,505.93

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Solution

The fourth proportional to 424,995.06, 637,561.77 and 125,505.93 is: 188,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,995.06 : 637,561.77 = 125,505.93 : x
  2. Step 2: Convert to fraction form
    424,995.06/637,561.77 = 125,505.93/x
  3. Step 3: Cross multiply
    424,995.06x = 637,561.77 × 125,505.93
  4. Step 4: Simplify right side
    424,995.06x = 80,017,780,956.09
  5. Step 5: Solve for x
    x = 80,017,780,956.09/424,995.06
  6. Step 6: Final answer
    x = 188,279.32

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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.