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Finding the Fourth Proportional to 365,367.08, 546,672.54 and 215,688.80

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Solution

The fourth proportional to 365,367.08, 546,672.54 and 215,688.80 is: 322,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,367.08 : 546,672.54 = 215,688.80 : x
  2. Step 2: Convert to fraction form
    365,367.08/546,672.54 = 215,688.80/x
  3. Step 3: Cross multiply
    365,367.08x = 546,672.54 × 215,688.80
  4. Step 4: Simplify right side
    365,367.08x = 117,911,144,145.55
  5. Step 5: Solve for x
    x = 117,911,144,145.55/365,367.08
  6. Step 6: Final answer
    x = 322,719.67

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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.