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Finding the Fourth Proportional to 329,723.87, 493,816.66 and 240,756.71

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Solution

The fourth proportional to 329,723.87, 493,816.66 and 240,756.71 is: 360,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,723.87 : 493,816.66 = 240,756.71 : x
  2. Step 2: Convert to fraction form
    329,723.87/493,816.66 = 240,756.71/x
  3. Step 3: Cross multiply
    329,723.87x = 493,816.66 × 240,756.71
  4. Step 4: Simplify right side
    329,723.87x = 118,889,671,333.81
  5. Step 5: Solve for x
    x = 118,889,671,333.81/329,723.87
  6. Step 6: Final answer
    x = 360,573.45

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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.