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Finding the Fourth Proportional to 342,415.60, 513,623.40 and 332,574.10

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Solution

The fourth proportional to 342,415.60, 513,623.40 and 332,574.10 is: 498,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,415.60 : 513,623.40 = 332,574.10 : x
  2. Step 2: Convert to fraction form
    342,415.60/513,623.40 = 332,574.10/x
  3. Step 3: Cross multiply
    342,415.60x = 513,623.40 × 332,574.10
  4. Step 4: Simplify right side
    342,415.60x = 170,817,839,993.94
  5. Step 5: Solve for x
    x = 170,817,839,993.94/342,415.60
  6. Step 6: Final answer
    x = 498,861.15

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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.