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Finding the Fourth Proportional to 673,601.94, 1,010,400.08 and 274,148.01

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Solution

The fourth proportional to 673,601.94, 1,010,400.08 and 274,148.01 is: 411,220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,601.94 : 1,010,400.08 = 274,148.01 : x
  2. Step 2: Convert to fraction form
    673,601.94/1,010,400.08 = 274,148.01/x
  3. Step 3: Cross multiply
    673,601.94x = 1,010,400.08 × 274,148.01
  4. Step 4: Simplify right side
    673,601.94x = 276,999,169,865.10
  5. Step 5: Solve for x
    x = 276,999,169,865.10/673,601.94
  6. Step 6: Final answer
    x = 411,220.86

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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.