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Finding the Fourth Proportional to 459,988.44, 634,791.22 and 256,041.57

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Solution

The fourth proportional to 459,988.44, 634,791.22 and 256,041.57 is: 353,341.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,988.44 : 634,791.22 = 256,041.57 : x
  2. Step 2: Convert to fraction form
    459,988.44/634,791.22 = 256,041.57/x
  3. Step 3: Cross multiply
    459,988.44x = 634,791.22 × 256,041.57
  4. Step 4: Simplify right side
    459,988.44x = 162,532,940,591.02
  5. Step 5: Solve for x
    x = 162,532,940,591.02/459,988.44
  6. Step 6: Final answer
    x = 353,341.36

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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.