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Finding the Fourth Proportional to 366,326.55, 549,489.83 and 198,364.95

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Solution

The fourth proportional to 366,326.55, 549,489.83 and 198,364.95 is: 297,547.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,326.55 : 549,489.83 = 198,364.95 : x
  2. Step 2: Convert to fraction form
    366,326.55/549,489.83 = 198,364.95/x
  3. Step 3: Cross multiply
    366,326.55x = 549,489.83 × 198,364.95
  4. Step 4: Simplify right side
    366,326.55x = 108,999,521,661.63
  5. Step 5: Solve for x
    x = 108,999,521,661.63/366,326.55
  6. Step 6: Final answer
    x = 297,547.43

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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.