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Finding the Fourth Proportional to 216,714.48, 325,713.36 and 210,824.16

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Solution

The fourth proportional to 216,714.48, 325,713.36 and 210,824.16 is: 316,860.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,714.48 : 325,713.36 = 210,824.16 : x
  2. Step 2: Convert to fraction form
    216,714.48/325,713.36 = 210,824.16/x
  3. Step 3: Cross multiply
    216,714.48x = 325,713.36 × 210,824.16
  4. Step 4: Simplify right side
    216,714.48x = 68,668,245,522.78
  5. Step 5: Solve for x
    x = 68,668,245,522.78/216,714.48
  6. Step 6: Final answer
    x = 316,860.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.