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Finding the Fourth Proportional to 321,044.77, 443,041.59 and 177,804.67

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Solution

The fourth proportional to 321,044.77, 443,041.59 and 177,804.67 is: 245,370.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,044.77 : 443,041.59 = 177,804.67 : x
  2. Step 2: Convert to fraction form
    321,044.77/443,041.59 = 177,804.67/x
  3. Step 3: Cross multiply
    321,044.77x = 443,041.59 × 177,804.67
  4. Step 4: Simplify right side
    321,044.77x = 78,774,863,706.23
  5. Step 5: Solve for x
    x = 78,774,863,706.23/321,044.77
  6. Step 6: Final answer
    x = 245,370.34

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1.5x scale

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.