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Finding the Fourth Proportional to 496,975.91, 745,501.64 and 193,239.59

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Solution

The fourth proportional to 496,975.91, 745,501.64 and 193,239.59 is: 289,874.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,975.91 : 745,501.64 = 193,239.59 : x
  2. Step 2: Convert to fraction form
    496,975.91/745,501.64 = 193,239.59/x
  3. Step 3: Cross multiply
    496,975.91x = 745,501.64 × 193,239.59
  4. Step 4: Simplify right side
    496,975.91x = 144,060,426,564.22
  5. Step 5: Solve for x
    x = 144,060,426,564.22/496,975.91
  6. Step 6: Final answer
    x = 289,874.07

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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.