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Finding the Fourth Proportional to 636,926.44, 954,339.90 and 369,937.48

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Solution

The fourth proportional to 636,926.44, 954,339.90 and 369,937.48 is: 554,296.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,926.44 : 954,339.90 = 369,937.48 : x
  2. Step 2: Convert to fraction form
    636,926.44/954,339.90 = 369,937.48/x
  3. Step 3: Cross multiply
    636,926.44x = 954,339.90 × 369,937.48
  4. Step 4: Simplify right side
    636,926.44x = 353,046,097,669.45
  5. Step 5: Solve for x
    x = 353,046,097,669.45/636,926.44
  6. Step 6: Final answer
    x = 554,296.50

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1.5x scale

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.