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Finding the Fourth Proportional to 447,430.61, 617,454.33 and 246,226.61

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Solution

The fourth proportional to 447,430.61, 617,454.33 and 246,226.61 is: 339,792.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,430.61 : 617,454.33 = 246,226.61 : x
  2. Step 2: Convert to fraction form
    447,430.61/617,454.33 = 246,226.61/x
  3. Step 3: Cross multiply
    447,430.61x = 617,454.33 × 246,226.61
  4. Step 4: Simplify right side
    447,430.61x = 152,033,682,187.32
  5. Step 5: Solve for x
    x = 152,033,682,187.32/447,430.61
  6. Step 6: Final answer
    x = 339,792.76

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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.