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Finding the Fourth Proportional to 459,470.26, 634,069.32 and 255,516.73

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Solution

The fourth proportional to 459,470.26, 634,069.32 and 255,516.73 is: 352,613.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,470.26 : 634,069.32 = 255,516.73 : x
  2. Step 2: Convert to fraction form
    459,470.26/634,069.32 = 255,516.73/x
  3. Step 3: Cross multiply
    459,470.26x = 634,069.32 × 255,516.73
  4. Step 4: Simplify right side
    459,470.26x = 162,015,319,239.72
  5. Step 5: Solve for x
    x = 162,015,319,239.72/459,470.26
  6. Step 6: Final answer
    x = 352,613.29

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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.