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Finding the Fourth Proportional to 375,597.64, 518,374.38 and 214,416.28

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Solution

The fourth proportional to 375,597.64, 518,374.38 and 214,416.28 is: 295,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,597.64 : 518,374.38 = 214,416.28 : x
  2. Step 2: Convert to fraction form
    375,597.64/518,374.38 = 214,416.28/x
  3. Step 3: Cross multiply
    375,597.64x = 518,374.38 × 214,416.28
  4. Step 4: Simplify right side
    375,597.64x = 111,147,906,206.91
  5. Step 5: Solve for x
    x = 111,147,906,206.91/375,597.64
  6. Step 6: Final answer
    x = 295,922.80

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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.