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Finding the Fourth Proportional to 508,843.71, 763,615.44 and 176,419.71

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Solution

The fourth proportional to 508,843.71, 763,615.44 and 176,419.71 is: 264,750.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,843.71 : 763,615.44 = 176,419.71 : x
  2. Step 2: Convert to fraction form
    508,843.71/763,615.44 = 176,419.71/x
  3. Step 3: Cross multiply
    508,843.71x = 763,615.44 × 176,419.71
  4. Step 4: Simplify right side
    508,843.71x = 134,716,814,476.32
  5. Step 5: Solve for x
    x = 134,716,814,476.32/508,843.71
  6. Step 6: Final answer
    x = 264,750.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.