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Finding the Fourth Proportional to 459,367.72, 689,191.44 and 234,885.83

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Solution

The fourth proportional to 459,367.72, 689,191.44 and 234,885.83 is: 352,400.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,367.72 : 689,191.44 = 234,885.83 : x
  2. Step 2: Convert to fraction form
    459,367.72/689,191.44 = 234,885.83/x
  3. Step 3: Cross multiply
    459,367.72x = 689,191.44 × 234,885.83
  4. Step 4: Simplify right side
    459,367.72x = 161,881,303,413.30
  5. Step 5: Solve for x
    x = 161,881,303,413.30/459,367.72
  6. Step 6: Final answer
    x = 352,400.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.