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Finding the Fourth Proportional to 366,913.68, 549,632.40 and 247,339.45

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Solution

The fourth proportional to 366,913.68, 549,632.40 and 247,339.45 is: 370,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,913.68 : 549,632.40 = 247,339.45 : x
  2. Step 2: Convert to fraction form
    366,913.68/549,632.40 = 247,339.45/x
  3. Step 3: Cross multiply
    366,913.68x = 549,632.40 × 247,339.45
  4. Step 4: Simplify right side
    366,913.68x = 135,945,775,518.18
  5. Step 5: Solve for x
    x = 135,945,775,518.18/366,913.68
  6. Step 6: Final answer
    x = 370,511.60

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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.