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Finding the Fourth Proportional to 252,307.42, 378,461.05 and 173,181.76

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Solution

The fourth proportional to 252,307.42, 378,461.05 and 173,181.76 is: 259,772.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,307.42 : 378,461.05 = 173,181.76 : x
  2. Step 2: Convert to fraction form
    252,307.42/378,461.05 = 173,181.76/x
  3. Step 3: Cross multiply
    252,307.42x = 378,461.05 × 173,181.76
  4. Step 4: Simplify right side
    252,307.42x = 65,542,549,351.34
  5. Step 5: Solve for x
    x = 65,542,549,351.34/252,307.42
  6. Step 6: Final answer
    x = 259,772.58

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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.