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Finding the Fourth Proportional to 318,154.35, 439,056.01 and 174,915.44

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Solution

The fourth proportional to 318,154.35, 439,056.01 and 174,915.44 is: 241,384.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,154.35 : 439,056.01 = 174,915.44 : x
  2. Step 2: Convert to fraction form
    318,154.35/439,056.01 = 174,915.44/x
  3. Step 3: Cross multiply
    318,154.35x = 439,056.01 × 174,915.44
  4. Step 4: Simplify right side
    318,154.35x = 76,797,675,173.79
  5. Step 5: Solve for x
    x = 76,797,675,173.79/318,154.35
  6. Step 6: Final answer
    x = 241,384.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.