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Finding the Fourth Proportional to 459,867, 634,603.46 and 255,914.66

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Solution

The fourth proportional to 459,867, 634,603.46 and 255,914.66 is: 353,155.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,867 : 634,603.46 = 255,914.66 : x
  2. Step 2: Convert to fraction form
    459,867/634,603.46 = 255,914.66/x
  3. Step 3: Cross multiply
    459,867x = 634,603.46 × 255,914.66
  4. Step 4: Simplify right side
    459,867x = 162,404,328,700.72
  5. Step 5: Solve for x
    x = 162,404,328,700.72/459,867
  6. Step 6: Final answer
    x = 353,155.00

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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.