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Finding the Fourth Proportional to 480,036.74, 719,266.15 and 164,321.42

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Solution

The fourth proportional to 480,036.74, 719,266.15 and 164,321.42 is: 246,212.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,036.74 : 719,266.15 = 164,321.42 : x
  2. Step 2: Convert to fraction form
    480,036.74/719,266.15 = 164,321.42/x
  3. Step 3: Cross multiply
    480,036.74x = 719,266.15 × 164,321.42
  4. Step 4: Simplify right side
    480,036.74x = 118,190,835,125.93
  5. Step 5: Solve for x
    x = 118,190,835,125.93/480,036.74
  6. Step 6: Final answer
    x = 246,212.06

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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.