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Finding the Fourth Proportional to 459,754.86, 634,405.98 and 255,757.57

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Solution

The fourth proportional to 459,754.86, 634,405.98 and 255,757.57 is: 352,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,754.86 : 634,405.98 = 255,757.57 : x
  2. Step 2: Convert to fraction form
    459,754.86/634,405.98 = 255,757.57/x
  3. Step 3: Cross multiply
    459,754.86x = 634,405.98 × 255,757.57
  4. Step 4: Simplify right side
    459,754.86x = 162,254,131,838.27
  5. Step 5: Solve for x
    x = 162,254,131,838.27/459,754.86
  6. Step 6: Final answer
    x = 352,914.45

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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.