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Finding the Fourth Proportional to 535,093.62, 738,325.23 and 317,262.06

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Solution

The fourth proportional to 535,093.62, 738,325.23 and 317,262.06 is: 437,760.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,093.62 : 738,325.23 = 317,262.06 : x
  2. Step 2: Convert to fraction form
    535,093.62/738,325.23 = 317,262.06/x
  3. Step 3: Cross multiply
    535,093.62x = 738,325.23 × 317,262.06
  4. Step 4: Simplify right side
    535,093.62x = 234,242,583,419.77
  5. Step 5: Solve for x
    x = 234,242,583,419.77/535,093.62
  6. Step 6: Final answer
    x = 437,760.00

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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.