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Finding the Fourth Proportional to 774,551, 1,160,143.90 and 374,352.52

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Solution

The fourth proportional to 774,551, 1,160,143.90 and 374,352.52 is: 560,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,551 : 1,160,143.90 = 374,352.52 : x
  2. Step 2: Convert to fraction form
    774,551/1,160,143.90 = 374,352.52/x
  3. Step 3: Cross multiply
    774,551x = 1,160,143.90 × 374,352.52
  4. Step 4: Simplify right side
    774,551x = 434,302,792,527.63
  5. Step 5: Solve for x
    x = 434,302,792,527.63/774,551
  6. Step 6: Final answer
    x = 560,715.55

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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.