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Finding the Fourth Proportional to 324,756.64, 448,185.18 and 181,522.72

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Solution

The fourth proportional to 324,756.64, 448,185.18 and 181,522.72 is: 250,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,756.64 : 448,185.18 = 181,522.72 : x
  2. Step 2: Convert to fraction form
    324,756.64/448,185.18 = 181,522.72/x
  3. Step 3: Cross multiply
    324,756.64x = 448,185.18 × 181,522.72
  4. Step 4: Simplify right side
    324,756.64x = 81,355,792,937.29
  5. Step 5: Solve for x
    x = 81,355,792,937.29/324,756.64
  6. Step 6: Final answer
    x = 250,513.10

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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.