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Finding the Fourth Proportional to 447,590.92, 617,683.36 and 243,647.72

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Solution

The fourth proportional to 447,590.92, 617,683.36 and 243,647.72 is: 336,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,590.92 : 617,683.36 = 243,647.72 : x
  2. Step 2: Convert to fraction form
    447,590.92/617,683.36 = 243,647.72/x
  3. Step 3: Cross multiply
    447,590.92x = 617,683.36 × 243,647.72
  4. Step 4: Simplify right side
    447,590.92x = 150,497,142,345.94
  5. Step 5: Solve for x
    x = 150,497,142,345.94/447,590.92
  6. Step 6: Final answer
    x = 336,238.15

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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.