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Finding the Fourth Proportional to 479,802.63, 719,704.85 and 124,816.08

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Solution

The fourth proportional to 479,802.63, 719,704.85 and 124,816.08 is: 187,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,802.63 : 719,704.85 = 124,816.08 : x
  2. Step 2: Convert to fraction form
    479,802.63/719,704.85 = 124,816.08/x
  3. Step 3: Cross multiply
    479,802.63x = 719,704.85 × 124,816.08
  4. Step 4: Simplify right side
    479,802.63x = 89,830,738,133.99
  5. Step 5: Solve for x
    x = 89,830,738,133.99/479,802.63
  6. Step 6: Final answer
    x = 187,224.36

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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.