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Finding the Fourth Proportional to 375,336.69, 518,001.89 and 214,216.14

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Solution

The fourth proportional to 375,336.69, 518,001.89 and 214,216.14 is: 295,639.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,336.69 : 518,001.89 = 214,216.14 : x
  2. Step 2: Convert to fraction form
    375,336.69/518,001.89 = 214,216.14/x
  3. Step 3: Cross multiply
    375,336.69x = 518,001.89 × 214,216.14
  4. Step 4: Simplify right side
    375,336.69x = 110,964,366,259.93
  5. Step 5: Solve for x
    x = 110,964,366,259.93/375,336.69
  6. Step 6: Final answer
    x = 295,639.54

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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.