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Finding the Fourth Proportional to 372,057.63, 513,424.64 and 219,102.27

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Solution

The fourth proportional to 372,057.63, 513,424.64 and 219,102.27 is: 302,352.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,057.63 : 513,424.64 = 219,102.27 : x
  2. Step 2: Convert to fraction form
    372,057.63/513,424.64 = 219,102.27/x
  3. Step 3: Cross multiply
    372,057.63x = 513,424.64 × 219,102.27
  4. Step 4: Simplify right side
    372,057.63x = 112,492,503,002.42
  5. Step 5: Solve for x
    x = 112,492,503,002.42/372,057.63
  6. Step 6: Final answer
    x = 302,352.36

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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.