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Finding the Fourth Proportional to 671,762.88, 926,998.56 and 369,898.56

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Solution

The fourth proportional to 671,762.88, 926,998.56 and 369,898.56 is: 510,441.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,762.88 : 926,998.56 = 369,898.56 : x
  2. Step 2: Convert to fraction form
    671,762.88/926,998.56 = 369,898.56/x
  3. Step 3: Cross multiply
    671,762.88x = 926,998.56 × 369,898.56
  4. Step 4: Simplify right side
    671,762.88x = 342,895,432,466.07
  5. Step 5: Solve for x
    x = 342,895,432,466.07/671,762.88
  6. Step 6: Final answer
    x = 510,441.17

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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.