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Finding the Fourth Proportional to 452,689.20, 624,708 and 248,742.27

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Solution

The fourth proportional to 452,689.20, 624,708 and 248,742.27 is: 343,262.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,689.20 : 624,708 = 248,742.27 : x
  2. Step 2: Convert to fraction form
    452,689.20/624,708 = 248,742.27/x
  3. Step 3: Cross multiply
    452,689.20x = 624,708 × 248,742.27
  4. Step 4: Simplify right side
    452,689.20x = 155,391,286,007.16
  5. Step 5: Solve for x
    x = 155,391,286,007.16/452,689.20
  6. Step 6: Final answer
    x = 343,262.63

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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.