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Finding the Fourth Proportional to 493,065.60, 738,561.60 and 410,121.60

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Solution

The fourth proportional to 493,065.60, 738,561.60 and 410,121.60 is: 614,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,065.60 : 738,561.60 = 410,121.60 : x
  2. Step 2: Convert to fraction form
    493,065.60/738,561.60 = 410,121.60/x
  3. Step 3: Cross multiply
    493,065.60x = 738,561.60 × 410,121.60
  4. Step 4: Simplify right side
    493,065.60x = 302,900,065,090.56
  5. Step 5: Solve for x
    x = 302,900,065,090.56/493,065.60
  6. Step 6: Final answer
    x = 614,320.01

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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.