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Finding the Fourth Proportional to 531,647.42, 733,730.34 and 325,037.04

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Solution

The fourth proportional to 531,647.42, 733,730.34 and 325,037.04 is: 448,585.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,647.42 : 733,730.34 = 325,037.04 : x
  2. Step 2: Convert to fraction form
    531,647.42/733,730.34 = 325,037.04/x
  3. Step 3: Cross multiply
    531,647.42x = 733,730.34 × 325,037.04
  4. Step 4: Simplify right side
    531,647.42x = 238,489,537,871.79
  5. Step 5: Solve for x
    x = 238,489,537,871.79/531,647.42
  6. Step 6: Final answer
    x = 448,585.90

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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.