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Finding the Fourth Proportional to 251,646.40, 347,275.84 and 144,225.84

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Solution

The fourth proportional to 251,646.40, 347,275.84 and 144,225.84 is: 199,033.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,646.40 : 347,275.84 = 144,225.84 : x
  2. Step 2: Convert to fraction form
    251,646.40/347,275.84 = 144,225.84/x
  3. Step 3: Cross multiply
    251,646.40x = 347,275.84 × 144,225.84
  4. Step 4: Simplify right side
    251,646.40x = 50,086,149,735.71
  5. Step 5: Solve for x
    x = 50,086,149,735.71/251,646.40
  6. Step 6: Final answer
    x = 199,033.84

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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.