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Finding the Fourth Proportional to 366,437.80, 549,219.30 and 188,853.40

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Solution

The fourth proportional to 366,437.80, 549,219.30 and 188,853.40 is: 283,054.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,437.80 : 549,219.30 = 188,853.40 : x
  2. Step 2: Convert to fraction form
    366,437.80/549,219.30 = 188,853.40/x
  3. Step 3: Cross multiply
    366,437.80x = 549,219.30 × 188,853.40
  4. Step 4: Simplify right side
    366,437.80x = 103,721,932,150.62
  5. Step 5: Solve for x
    x = 103,721,932,150.62/366,437.80
  6. Step 6: Final answer
    x = 283,054.67

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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.