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Finding the Fourth Proportional to 375,151.55, 517,758.44 and 213,969.65

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Solution

The fourth proportional to 375,151.55, 517,758.44 and 213,969.65 is: 295,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,151.55 : 517,758.44 = 213,969.65 : x
  2. Step 2: Convert to fraction form
    375,151.55/517,758.44 = 213,969.65/x
  3. Step 3: Cross multiply
    375,151.55x = 517,758.44 × 213,969.65
  4. Step 4: Simplify right side
    375,151.55x = 110,784,588,532.71
  5. Step 5: Solve for x
    x = 110,784,588,532.71/375,151.55
  6. Step 6: Final answer
    x = 295,306.23

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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.