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Finding the Fourth Proportional to 459,997.37, 634,803.54 and 256,050.53

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Solution

The fourth proportional to 459,997.37, 634,803.54 and 256,050.53 is: 353,353.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,997.37 : 634,803.54 = 256,050.53 : x
  2. Step 2: Convert to fraction form
    459,997.37/634,803.54 = 256,050.53/x
  3. Step 3: Cross multiply
    459,997.37x = 634,803.54 × 256,050.53
  4. Step 4: Simplify right side
    459,997.37x = 162,541,782,862.88
  5. Step 5: Solve for x
    x = 162,541,782,862.88/459,997.37
  6. Step 6: Final answer
    x = 353,353.72

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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.