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Finding the Fourth Proportional to 375,461.69, 518,174.28 and 214,340.94

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Solution

The fourth proportional to 375,461.69, 518,174.28 and 214,340.94 is: 295,811.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,461.69 : 518,174.28 = 214,340.94 : x
  2. Step 2: Convert to fraction form
    375,461.69/518,174.28 = 214,340.94/x
  3. Step 3: Cross multiply
    375,461.69x = 518,174.28 × 214,340.94
  4. Step 4: Simplify right side
    375,461.69x = 111,065,962,259.02
  5. Step 5: Solve for x
    x = 111,065,962,259.02/375,461.69
  6. Step 6: Final answer
    x = 295,811.71

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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.