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Finding the Fourth Proportional to 674,011.33, 930,143.02 and 368,096.70

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Solution

The fourth proportional to 674,011.33, 930,143.02 and 368,096.70 is: 507,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,011.33 : 930,143.02 = 368,096.70 : x
  2. Step 2: Convert to fraction form
    674,011.33/930,143.02 = 368,096.70/x
  3. Step 3: Cross multiply
    674,011.33x = 930,143.02 × 368,096.70
  4. Step 4: Simplify right side
    674,011.33x = 342,382,576,190.03
  5. Step 5: Solve for x
    x = 342,382,576,190.03/674,011.33
  6. Step 6: Final answer
    x = 507,977.48

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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.