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Finding the Fourth Proportional to 375,599.64, 518,377.14 and 214,418.28

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Solution

The fourth proportional to 375,599.64, 518,377.14 and 214,418.28 is: 295,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,599.64 : 518,377.14 = 214,418.28 : x
  2. Step 2: Convert to fraction form
    375,599.64/518,377.14 = 214,418.28/x
  3. Step 3: Cross multiply
    375,599.64x = 518,377.14 × 214,418.28
  4. Step 4: Simplify right side
    375,599.64x = 111,149,534,750.12
  5. Step 5: Solve for x
    x = 111,149,534,750.12/375,599.64
  6. Step 6: Final answer
    x = 295,925.56

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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.