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Finding the Fourth Proportional to 295,630.79, 443,392.52 and 103,533.41

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Solution

The fourth proportional to 295,630.79, 443,392.52 and 103,533.41 is: 155,281.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,630.79 : 443,392.52 = 103,533.41 : x
  2. Step 2: Convert to fraction form
    295,630.79/443,392.52 = 103,533.41/x
  3. Step 3: Cross multiply
    295,630.79x = 443,392.52 × 103,533.41
  4. Step 4: Simplify right side
    295,630.79x = 45,905,940,154.91
  5. Step 5: Solve for x
    x = 45,905,940,154.91/295,630.79
  6. Step 6: Final answer
    x = 155,281.33

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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.