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Finding the Fourth Proportional to 489,183.55, 675,080.19 and 295,564.32

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Solution

The fourth proportional to 489,183.55, 675,080.19 and 295,564.32 is: 407,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,183.55 : 675,080.19 = 295,564.32 : x
  2. Step 2: Convert to fraction form
    489,183.55/675,080.19 = 295,564.32/x
  3. Step 3: Cross multiply
    489,183.55x = 675,080.19 × 295,564.32
  4. Step 4: Simplify right side
    489,183.55x = 199,529,617,302.82
  5. Step 5: Solve for x
    x = 199,529,617,302.82/489,183.55
  6. Step 6: Final answer
    x = 407,882.93

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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.