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Finding the Fourth Proportional to 366,029.20, 549,043.80 and 188,882.20

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Solution

The fourth proportional to 366,029.20, 549,043.80 and 188,882.20 is: 283,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,029.20 : 549,043.80 = 188,882.20 : x
  2. Step 2: Convert to fraction form
    366,029.20/549,043.80 = 188,882.20/x
  3. Step 3: Cross multiply
    366,029.20x = 549,043.80 × 188,882.20
  4. Step 4: Simplify right side
    366,029.20x = 103,704,600,840.36
  5. Step 5: Solve for x
    x = 103,704,600,840.36/366,029.20
  6. Step 6: Final answer
    x = 283,323.30

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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.