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Finding the Fourth Proportional to 366,988.10, 549,826.05 and 300,065.90

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Solution

The fourth proportional to 366,988.10, 549,826.05 and 300,065.90 is: 449,562.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,988.10 : 549,826.05 = 300,065.90 : x
  2. Step 2: Convert to fraction form
    366,988.10/549,826.05 = 300,065.90/x
  3. Step 3: Cross multiply
    366,988.10x = 549,826.05 × 300,065.90
  4. Step 4: Simplify right side
    366,988.10x = 164,984,048,536.70
  5. Step 5: Solve for x
    x = 164,984,048,536.70/366,988.10
  6. Step 6: Final answer
    x = 449,562.39

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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.