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Finding the Fourth Proportional to 364,031.20, 545,828.10 and 186,884.20

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Solution

The fourth proportional to 364,031.20, 545,828.10 and 186,884.20 is: 280,214.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,031.20 : 545,828.10 = 186,884.20 : x
  2. Step 2: Convert to fraction form
    364,031.20/545,828.10 = 186,884.20/x
  3. Step 3: Cross multiply
    364,031.20x = 545,828.10 × 186,884.20
  4. Step 4: Simplify right side
    364,031.20x = 102,006,647,806.02
  5. Step 5: Solve for x
    x = 102,006,647,806.02/364,031.20
  6. Step 6: Final answer
    x = 280,214.03

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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.