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Finding the Fourth Proportional to 738,711, 1,108,212.30 and 233,349.98

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Solution

The fourth proportional to 738,711, 1,108,212.30 and 233,349.98 is: 350,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,711 : 1,108,212.30 = 233,349.98 : x
  2. Step 2: Convert to fraction form
    738,711/1,108,212.30 = 233,349.98/x
  3. Step 3: Cross multiply
    738,711x = 1,108,212.30 × 233,349.98
  4. Step 4: Simplify right side
    738,711x = 258,601,312,499.69
  5. Step 5: Solve for x
    x = 258,601,312,499.69/738,711
  6. Step 6: Final answer
    x = 350,071.02

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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.