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Finding the Fourth Proportional to 295,630.94, 443,312.76 and 137,904.50

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Solution

The fourth proportional to 295,630.94, 443,312.76 and 137,904.50 is: 206,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,630.94 : 443,312.76 = 137,904.50 : x
  2. Step 2: Convert to fraction form
    295,630.94/443,312.76 = 137,904.50/x
  3. Step 3: Cross multiply
    295,630.94x = 443,312.76 × 137,904.50
  4. Step 4: Simplify right side
    295,630.94x = 61,134,824,511.42
  5. Step 5: Solve for x
    x = 61,134,824,511.42/295,630.94
  6. Step 6: Final answer
    x = 206,794.41

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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.