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Finding the Fourth Proportional to 366,667.20, 549,344.70 and 314,179.20

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Solution

The fourth proportional to 366,667.20, 549,344.70 and 314,179.20 is: 470,706.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,667.20 : 549,344.70 = 314,179.20 : x
  2. Step 2: Convert to fraction form
    366,667.20/549,344.70 = 314,179.20/x
  3. Step 3: Cross multiply
    366,667.20x = 549,344.70 × 314,179.20
  4. Step 4: Simplify right side
    366,667.20x = 172,592,678,370.24
  5. Step 5: Solve for x
    x = 172,592,678,370.24/366,667.20
  6. Step 6: Final answer
    x = 470,706.62

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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.