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Finding the Fourth Proportional to 540,630.04, 746,039.33 and 298,898.50

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Solution

The fourth proportional to 540,630.04, 746,039.33 and 298,898.50 is: 412,463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,630.04 : 746,039.33 = 298,898.50 : x
  2. Step 2: Convert to fraction form
    540,630.04/746,039.33 = 298,898.50/x
  3. Step 3: Cross multiply
    540,630.04x = 746,039.33 × 298,898.50
  4. Step 4: Simplify right side
    540,630.04x = 222,990,031,453.32
  5. Step 5: Solve for x
    x = 222,990,031,453.32/540,630.04
  6. Step 6: Final answer
    x = 412,463.27

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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.