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Finding the Fourth Proportional to 459,493.43, 634,064.18 and 255,544.74

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Solution

The fourth proportional to 459,493.43, 634,064.18 and 255,544.74 is: 352,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,493.43 : 634,064.18 = 255,544.74 : x
  2. Step 2: Convert to fraction form
    459,493.43/634,064.18 = 255,544.74/x
  3. Step 3: Cross multiply
    459,493.43x = 634,064.18 × 255,544.74
  4. Step 4: Simplify right side
    459,493.43x = 162,031,764,743.69
  5. Step 5: Solve for x
    x = 162,031,764,743.69/459,493.43
  6. Step 6: Final answer
    x = 352,631.30

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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.