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Finding the Fourth Proportional to 366,376.94, 549,576.21 and 312,730.68

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Solution

The fourth proportional to 366,376.94, 549,576.21 and 312,730.68 is: 469,105.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,376.94 : 549,576.21 = 312,730.68 : x
  2. Step 2: Convert to fraction form
    366,376.94/549,576.21 = 312,730.68/x
  3. Step 3: Cross multiply
    366,376.94x = 549,576.21 × 312,730.68
  4. Step 4: Simplify right side
    366,376.94x = 171,869,341,865.12
  5. Step 5: Solve for x
    x = 171,869,341,865.12/366,376.94
  6. Step 6: Final answer
    x = 469,105.24

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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.