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Finding the Fourth Proportional to 447,430.11, 617,453.63 and 246,226.11

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Solution

The fourth proportional to 447,430.11, 617,453.63 and 246,226.11 is: 339,792.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,430.11 : 617,453.63 = 246,226.11 : x
  2. Step 2: Convert to fraction form
    447,430.11/617,453.63 = 246,226.11/x
  3. Step 3: Cross multiply
    447,430.11x = 617,453.63 × 246,226.11
  4. Step 4: Simplify right side
    447,430.11x = 152,033,202,948.58
  5. Step 5: Solve for x
    x = 152,033,202,948.58/447,430.11
  6. Step 6: Final answer
    x = 339,792.07

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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.