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Finding the Fourth Proportional to 322,898.79, 484,085.75 and 112,684.35

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Solution

The fourth proportional to 322,898.79, 484,085.75 and 112,684.35 is: 168,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,898.79 : 484,085.75 = 112,684.35 : x
  2. Step 2: Convert to fraction form
    322,898.79/484,085.75 = 112,684.35/x
  3. Step 3: Cross multiply
    322,898.79x = 484,085.75 × 112,684.35
  4. Step 4: Simplify right side
    322,898.79x = 54,548,889,968.76
  5. Step 5: Solve for x
    x = 54,548,889,968.76/322,898.79
  6. Step 6: Final answer
    x = 168,934.95

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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.