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Finding the Fourth Proportional to 255,723.59, 383,035.88 and 207,475.62

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Solution

The fourth proportional to 255,723.59, 383,035.88 and 207,475.62 is: 310,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,723.59 : 383,035.88 = 207,475.62 : x
  2. Step 2: Convert to fraction form
    255,723.59/383,035.88 = 207,475.62/x
  3. Step 3: Cross multiply
    255,723.59x = 383,035.88 × 207,475.62
  4. Step 4: Simplify right side
    255,723.59x = 79,470,605,647.87
  5. Step 5: Solve for x
    x = 79,470,605,647.87/255,723.59
  6. Step 6: Final answer
    x = 310,767.60

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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.