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Finding the Fourth Proportional to 733,810.70, 1,100,825.40 and 260,456.42

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Solution

The fourth proportional to 733,810.70, 1,100,825.40 and 260,456.42 is: 390,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,810.70 : 1,100,825.40 = 260,456.42 : x
  2. Step 2: Convert to fraction form
    733,810.70/1,100,825.40 = 260,456.42/x
  3. Step 3: Cross multiply
    733,810.70x = 1,100,825.40 × 260,456.42
  4. Step 4: Simplify right side
    733,810.70x = 286,717,042,729.07
  5. Step 5: Solve for x
    x = 286,717,042,729.07/733,810.70
  6. Step 6: Final answer
    x = 390,723.44

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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.