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Finding the Fourth Proportional to 382,315.50, 526,817.34 and 295,748.64

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Solution

The fourth proportional to 382,315.50, 526,817.34 and 295,748.64 is: 407,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,315.50 : 526,817.34 = 295,748.64 : x
  2. Step 2: Convert to fraction form
    382,315.50/526,817.34 = 295,748.64/x
  3. Step 3: Cross multiply
    382,315.50x = 526,817.34 × 295,748.64
  4. Step 4: Simplify right side
    382,315.50x = 155,805,511,833.42
  5. Step 5: Solve for x
    x = 155,805,511,833.42/382,315.50
  6. Step 6: Final answer
    x = 407,531.25

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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.