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Finding the Fourth Proportional to 459,477.26, 634,078.98 and 255,523.70

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Solution

The fourth proportional to 459,477.26, 634,078.98 and 255,523.70 is: 352,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,477.26 : 634,078.98 = 255,523.70 : x
  2. Step 2: Convert to fraction form
    459,477.26/634,078.98 = 255,523.70/x
  3. Step 3: Cross multiply
    459,477.26x = 634,078.98 × 255,523.70
  4. Step 4: Simplify right side
    459,477.26x = 162,022,207,061.83
  5. Step 5: Solve for x
    x = 162,022,207,061.83/459,477.26
  6. Step 6: Final answer
    x = 352,622.91

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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.