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Finding the Fourth Proportional to 459,997.99, 634,797.06 and 256,044.53

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Solution

The fourth proportional to 459,997.99, 634,797.06 and 256,044.53 is: 353,341.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,997.99 : 634,797.06 = 256,044.53 : x
  2. Step 2: Convert to fraction form
    459,997.99/634,797.06 = 256,044.53/x
  3. Step 3: Cross multiply
    459,997.99x = 634,797.06 × 256,044.53
  4. Step 4: Simplify right side
    459,997.99x = 162,536,314,873.08
  5. Step 5: Solve for x
    x = 162,536,314,873.08/459,997.99
  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.