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Finding the Fourth Proportional to 479,214.90, 718,133.04 and 329,624.10

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Solution

The fourth proportional to 479,214.90, 718,133.04 and 329,624.10 is: 493,962.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,214.90 : 718,133.04 = 329,624.10 : x
  2. Step 2: Convert to fraction form
    479,214.90/718,133.04 = 329,624.10/x
  3. Step 3: Cross multiply
    479,214.90x = 718,133.04 × 329,624.10
  4. Step 4: Simplify right side
    479,214.90x = 236,713,956,990.26
  5. Step 5: Solve for x
    x = 236,713,956,990.26/479,214.90
  6. Step 6: Final answer
    x = 493,962.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.