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Finding the Fourth Proportional to 494,740.76, 682,743.56 and 268,386.26

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Solution

The fourth proportional to 494,740.76, 682,743.56 and 268,386.26 is: 370,373.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,740.76 : 682,743.56 = 268,386.26 : x
  2. Step 2: Convert to fraction form
    494,740.76/682,743.56 = 268,386.26/x
  3. Step 3: Cross multiply
    494,740.76x = 682,743.56 × 268,386.26
  4. Step 4: Simplify right side
    494,740.76x = 183,238,985,851.84
  5. Step 5: Solve for x
    x = 183,238,985,851.84/494,740.76
  6. Step 6: Final answer
    x = 370,373.74

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1.5x scale

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.