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Finding the Fourth Proportional to 459,951.54, 634,657.86 and 266,290.26

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Solution

The fourth proportional to 459,951.54, 634,657.86 and 266,290.26 is: 367,436.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,951.54 : 634,657.86 = 266,290.26 : x
  2. Step 2: Convert to fraction form
    459,951.54/634,657.86 = 266,290.26/x
  3. Step 3: Cross multiply
    459,951.54x = 634,657.86 × 266,290.26
  4. Step 4: Simplify right side
    459,951.54x = 169,003,206,550.44
  5. Step 5: Solve for x
    x = 169,003,206,550.44/459,951.54
  6. Step 6: Final answer
    x = 367,436.98

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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.