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Finding the Fourth Proportional to 373,030.82, 514,766.42 and 211,885.38

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Solution

The fourth proportional to 373,030.82, 514,766.42 and 211,885.38 is: 292,392.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,030.82 : 514,766.42 = 211,885.38 : x
  2. Step 2: Convert to fraction form
    373,030.82/514,766.42 = 211,885.38/x
  3. Step 3: Cross multiply
    373,030.82x = 514,766.42 × 211,885.38
  4. Step 4: Simplify right side
    373,030.82x = 109,071,478,512.94
  5. Step 5: Solve for x
    x = 109,071,478,512.94/373,030.82
  6. Step 6: Final answer
    x = 292,392.67

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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.