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Finding the Fourth Proportional to 536,950.50, 740,971.76 and 295,218.69

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Solution

The fourth proportional to 536,950.50, 740,971.76 and 295,218.69 is: 407,390.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,950.50 : 740,971.76 = 295,218.69 : x
  2. Step 2: Convert to fraction form
    536,950.50/740,971.76 = 295,218.69/x
  3. Step 3: Cross multiply
    536,950.50x = 740,971.76 × 295,218.69
  4. Step 4: Simplify right side
    536,950.50x = 218,748,707,133.24
  5. Step 5: Solve for x
    x = 218,748,707,133.24/536,950.50
  6. Step 6: Final answer
    x = 407,390.83

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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.