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Finding the Fourth Proportional to 675,795.46, 932,559.78 and 369,871.21

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Solution

The fourth proportional to 675,795.46, 932,559.78 and 369,871.21 is: 510,401.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,795.46 : 932,559.78 = 369,871.21 : x
  2. Step 2: Convert to fraction form
    675,795.46/932,559.78 = 369,871.21/x
  3. Step 3: Cross multiply
    675,795.46x = 932,559.78 × 369,871.21
  4. Step 4: Simplify right side
    675,795.46x = 344,927,014,225.93
  5. Step 5: Solve for x
    x = 344,927,014,225.93/675,795.46
  6. Step 6: Final answer
    x = 510,401.50

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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.