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Finding the Fourth Proportional to 255,597.68, 383,396.98 and 255,228.72

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Solution

The fourth proportional to 255,597.68, 383,396.98 and 255,228.72 is: 382,843.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,597.68 : 383,396.98 = 255,228.72 : x
  2. Step 2: Convert to fraction form
    255,597.68/383,396.98 = 255,228.72/x
  3. Step 3: Cross multiply
    255,597.68x = 383,396.98 × 255,228.72
  4. Step 4: Simplify right side
    255,597.68x = 97,853,920,457.27
  5. Step 5: Solve for x
    x = 97,853,920,457.27/255,597.68
  6. Step 6: Final answer
    x = 382,843.54

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1.5x scale

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.