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Finding the Fourth Proportional to 483,123.79, 666,740.87 and 268,265.39

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Solution

The fourth proportional to 483,123.79, 666,740.87 and 268,265.39 is: 370,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,123.79 : 666,740.87 = 268,265.39 : x
  2. Step 2: Convert to fraction form
    483,123.79/666,740.87 = 268,265.39/x
  3. Step 3: Cross multiply
    483,123.79x = 666,740.87 × 268,265.39
  4. Step 4: Simplify right side
    483,123.79x = 178,863,495,850.45
  5. Step 5: Solve for x
    x = 178,863,495,850.45/483,123.79
  6. Step 6: Final answer
    x = 370,222.91

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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.