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Finding the Fourth Proportional to 459,213.96, 633,678.84 and 255,248.88

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Solution

The fourth proportional to 459,213.96, 633,678.84 and 255,248.88 is: 352,223.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,213.96 : 633,678.84 = 255,248.88 : x
  2. Step 2: Convert to fraction form
    459,213.96/633,678.84 = 255,248.88/x
  3. Step 3: Cross multiply
    459,213.96x = 633,678.84 × 255,248.88
  4. Step 4: Simplify right side
    459,213.96x = 161,745,814,189.70
  5. Step 5: Solve for x
    x = 161,745,814,189.70/459,213.96
  6. Step 6: Final answer
    x = 352,223.21

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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.