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Finding the Fourth Proportional to 366,987.10, 549,824.55 and 300,064.90

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Solution

The fourth proportional to 366,987.10, 549,824.55 and 300,064.90 is: 449,560.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,987.10 : 549,824.55 = 300,064.90 : x
  2. Step 2: Convert to fraction form
    366,987.10/549,824.55 = 300,064.90/x
  3. Step 3: Cross multiply
    366,987.10x = 549,824.55 × 300,064.90
  4. Step 4: Simplify right side
    366,987.10x = 164,983,048,613.30
  5. Step 5: Solve for x
    x = 164,983,048,613.30/366,987.10
  6. Step 6: Final answer
    x = 449,560.89

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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.