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Finding the Fourth Proportional to 353,984.04, 530,101.80 and 263,810.52

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Solution

The fourth proportional to 353,984.04, 530,101.80 and 263,810.52 is: 395,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,984.04 : 530,101.80 = 263,810.52 : x
  2. Step 2: Convert to fraction form
    353,984.04/530,101.80 = 263,810.52/x
  3. Step 3: Cross multiply
    353,984.04x = 530,101.80 × 263,810.52
  4. Step 4: Simplify right side
    353,984.04x = 139,846,431,510.94
  5. Step 5: Solve for x
    x = 139,846,431,510.94/353,984.04
  6. Step 6: Final answer
    x = 395,064.23

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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.