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Finding the Fourth Proportional to 351,483.71, 526,519.57 and 161,680.13

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Solution

The fourth proportional to 351,483.71, 526,519.57 and 161,680.13 is: 242,195.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,483.71 : 526,519.57 = 161,680.13 : x
  2. Step 2: Convert to fraction form
    351,483.71/526,519.57 = 161,680.13/x
  3. Step 3: Cross multiply
    351,483.71x = 526,519.57 × 161,680.13
  4. Step 4: Simplify right side
    351,483.71x = 85,127,749,830.38
  5. Step 5: Solve for x
    x = 85,127,749,830.38/351,483.71
  6. Step 6: Final answer
    x = 242,195.44

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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.