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Finding the Fourth Proportional to 567,960.38, 783,758.94 and 326,072.72

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Solution

The fourth proportional to 567,960.38, 783,758.94 and 326,072.72 is: 449,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,960.38 : 783,758.94 = 326,072.72 : x
  2. Step 2: Convert to fraction form
    567,960.38/783,758.94 = 326,072.72/x
  3. Step 3: Cross multiply
    567,960.38x = 783,758.94 × 326,072.72
  4. Step 4: Simplify right side
    567,960.38x = 255,562,409,390.12
  5. Step 5: Solve for x
    x = 255,562,409,390.12/567,960.38
  6. Step 6: Final answer
    x = 449,965.21

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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.