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Finding the Fourth Proportional to 264,800.30, 397,200.45 and 238,556.30

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Solution

The fourth proportional to 264,800.30, 397,200.45 and 238,556.30 is: 357,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,800.30 : 397,200.45 = 238,556.30 : x
  2. Step 2: Convert to fraction form
    264,800.30/397,200.45 = 238,556.30/x
  3. Step 3: Cross multiply
    264,800.30x = 397,200.45 × 238,556.30
  4. Step 4: Simplify right side
    264,800.30x = 94,754,669,710.34
  5. Step 5: Solve for x
    x = 94,754,669,710.34/264,800.30
  6. Step 6: Final answer
    x = 357,834.45

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1.5x scale

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.