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Finding the Fourth Proportional to 366,377.16, 549,576.52 and 312,730.88

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Solution

The fourth proportional to 366,377.16, 549,576.52 and 312,730.88 is: 469,105.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,377.16 : 549,576.52 = 312,730.88 : x
  2. Step 2: Convert to fraction form
    366,377.16/549,576.52 = 312,730.88/x
  3. Step 3: Cross multiply
    366,377.16x = 549,576.52 × 312,730.88
  4. Step 4: Simplify right side
    366,377.16x = 171,869,549,319.05
  5. Step 5: Solve for x
    x = 171,869,549,319.05/366,377.16
  6. Step 6: Final answer
    x = 469,105.52

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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.