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Finding the Fourth Proportional to 366,643.20, 549,187.20 and 304,435.20

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Solution

The fourth proportional to 366,643.20, 549,187.20 and 304,435.20 is: 456,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,643.20 : 549,187.20 = 304,435.20 : x
  2. Step 2: Convert to fraction form
    366,643.20/549,187.20 = 304,435.20/x
  3. Step 3: Cross multiply
    366,643.20x = 549,187.20 × 304,435.20
  4. Step 4: Simplify right side
    366,643.20x = 167,191,915,069.44
  5. Step 5: Solve for x
    x = 167,191,915,069.44/366,643.20
  6. Step 6: Final answer
    x = 456,007.13

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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.