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Finding the Fourth Proportional to 285,068.53, 393,550.71 and 194,559.52

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Solution

The fourth proportional to 285,068.53, 393,550.71 and 194,559.52 is: 268,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,068.53 : 393,550.71 = 194,559.52 : x
  2. Step 2: Convert to fraction form
    285,068.53/393,550.71 = 194,559.52/x
  3. Step 3: Cross multiply
    285,068.53x = 393,550.71 × 194,559.52
  4. Step 4: Simplify right side
    285,068.53x = 76,569,037,233.26
  5. Step 5: Solve for x
    x = 76,569,037,233.26/285,068.53
  6. Step 6: Final answer
    x = 268,598.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.