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Finding the Fourth Proportional to 447,411.04, 617,390.16 and 263,620.96

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Solution

The fourth proportional to 447,411.04, 617,390.16 and 263,620.96 is: 363,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,411.04 : 617,390.16 = 263,620.96 : x
  2. Step 2: Convert to fraction form
    447,411.04/617,390.16 = 263,620.96/x
  3. Step 3: Cross multiply
    447,411.04x = 617,390.16 × 263,620.96
  4. Step 4: Simplify right side
    447,411.04x = 162,756,986,673.75
  5. Step 5: Solve for x
    x = 162,756,986,673.75/447,411.04
  6. Step 6: Final answer
    x = 363,775.08

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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.