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Finding the Fourth Proportional to 366,368.08, 549,631 and 113,643.48

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Solution

The fourth proportional to 366,368.08, 549,631 and 113,643.48 is: 170,489.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,368.08 : 549,631 = 113,643.48 : x
  2. Step 2: Convert to fraction form
    366,368.08/549,631 = 113,643.48/x
  3. Step 3: Cross multiply
    366,368.08x = 549,631 × 113,643.48
  4. Step 4: Simplify right side
    366,368.08x = 62,461,979,555.88
  5. Step 5: Solve for x
    x = 62,461,979,555.88/366,368.08
  6. Step 6: Final answer
    x = 170,489.69

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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.