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Finding the Fourth Proportional to 303,934.84, 455,897.22 and 116,986.84

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Solution

The fourth proportional to 303,934.84, 455,897.22 and 116,986.84 is: 175,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,934.84 : 455,897.22 = 116,986.84 : x
  2. Step 2: Convert to fraction form
    303,934.84/455,897.22 = 116,986.84/x
  3. Step 3: Cross multiply
    303,934.84x = 455,897.22 × 116,986.84
  4. Step 4: Simplify right side
    303,934.84x = 53,333,975,132.58
  5. Step 5: Solve for x
    x = 53,333,975,132.58/303,934.84
  6. Step 6: Final answer
    x = 175,478.32

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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.