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Finding the Fourth Proportional to 459,049.98, 633,504.91 and 255,109.49

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Solution

The fourth proportional to 459,049.98, 633,504.91 and 255,109.49 is: 352,059.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,049.98 : 633,504.91 = 255,109.49 : x
  2. Step 2: Convert to fraction form
    459,049.98/633,504.91 = 255,109.49/x
  3. Step 3: Cross multiply
    459,049.98x = 633,504.91 × 255,109.49
  4. Step 4: Simplify right side
    459,049.98x = 161,613,114,502.60
  5. Step 5: Solve for x
    x = 161,613,114,502.60/459,049.98
  6. Step 6: Final answer
    x = 352,059.95

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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.