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Finding the Fourth Proportional to 636,344.14, 954,466.70 and 369,934.60

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Solution

The fourth proportional to 636,344.14, 954,466.70 and 369,934.60 is: 554,873.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,344.14 : 954,466.70 = 369,934.60 : x
  2. Step 2: Convert to fraction form
    636,344.14/954,466.70 = 369,934.60/x
  3. Step 3: Cross multiply
    636,344.14x = 954,466.70 × 369,934.60
  4. Step 4: Simplify right side
    636,344.14x = 353,090,256,877.82
  5. Step 5: Solve for x
    x = 353,090,256,877.82/636,344.14
  6. Step 6: Final answer
    x = 554,873.12

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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.