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Finding the Fourth Proportional to 459,980.58, 634,773.24 and 256,027.12

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Solution

The fourth proportional to 459,980.58, 634,773.24 and 256,027.12 is: 353,317.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,980.58 : 634,773.24 = 256,027.12 : x
  2. Step 2: Convert to fraction form
    459,980.58/634,773.24 = 256,027.12/x
  3. Step 3: Cross multiply
    459,980.58x = 634,773.24 × 256,027.12
  4. Step 4: Simplify right side
    459,980.58x = 162,519,162,903.34
  5. Step 5: Solve for x
    x = 162,519,162,903.34/459,980.58
  6. Step 6: Final answer
    x = 353,317.44

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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.