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Finding the Fourth Proportional to 435,072.11, 600,509.87 and 297,306.82

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Solution

The fourth proportional to 435,072.11, 600,509.87 and 297,306.82 is: 410,358.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,072.11 : 600,509.87 = 297,306.82 : x
  2. Step 2: Convert to fraction form
    435,072.11/600,509.87 = 297,306.82/x
  3. Step 3: Cross multiply
    435,072.11x = 600,509.87 × 297,306.82
  4. Step 4: Simplify right side
    435,072.11x = 178,535,680,207.32
  5. Step 5: Solve for x
    x = 178,535,680,207.32/435,072.11
  6. Step 6: Final answer
    x = 410,358.83

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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.