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Finding the Fourth Proportional to 623,453.04, 935,219.10 and 263,556.84

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Solution

The fourth proportional to 623,453.04, 935,219.10 and 263,556.84 is: 395,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,453.04 : 935,219.10 = 263,556.84 : x
  2. Step 2: Convert to fraction form
    623,453.04/935,219.10 = 263,556.84/x
  3. Step 3: Cross multiply
    623,453.04x = 935,219.10 × 263,556.84
  4. Step 4: Simplify right side
    623,453.04x = 246,483,390,703.64
  5. Step 5: Solve for x
    x = 246,483,390,703.64/623,453.04
  6. Step 6: Final answer
    x = 395,351.98

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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.