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Finding the Fourth Proportional to 364,838.80, 546,091.80 and 259,862.80

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Solution

The fourth proportional to 364,838.80, 546,091.80 and 259,862.80 is: 388,963.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,838.80 : 546,091.80 = 259,862.80 : x
  2. Step 2: Convert to fraction form
    364,838.80/546,091.80 = 259,862.80/x
  3. Step 3: Cross multiply
    364,838.80x = 546,091.80 × 259,862.80
  4. Step 4: Simplify right side
    364,838.80x = 141,908,944,205.04
  5. Step 5: Solve for x
    x = 141,908,944,205.04/364,838.80
  6. Step 6: Final answer
    x = 388,963.41

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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.