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Finding the Fourth Proportional to 366,989.10, 549,827.55 and 300,066.90

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Solution

The fourth proportional to 366,989.10, 549,827.55 and 300,066.90 is: 449,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,989.10 : 549,827.55 = 300,066.90 : x
  2. Step 2: Convert to fraction form
    366,989.10/549,827.55 = 300,066.90/x
  3. Step 3: Cross multiply
    366,989.10x = 549,827.55 × 300,066.90
  4. Step 4: Simplify right side
    366,989.10x = 164,985,048,463.10
  5. Step 5: Solve for x
    x = 164,985,048,463.10/366,989.10
  6. Step 6: Final answer
    x = 449,563.89

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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.