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Finding the Fourth Proportional to 365,323.78, 547,985.76 and 239,070.34

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Solution

The fourth proportional to 365,323.78, 547,985.76 and 239,070.34 is: 358,605.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,323.78 : 547,985.76 = 239,070.34 : x
  2. Step 2: Convert to fraction form
    365,323.78/547,985.76 = 239,070.34/x
  3. Step 3: Cross multiply
    365,323.78x = 547,985.76 × 239,070.34
  4. Step 4: Simplify right side
    365,323.78x = 131,007,141,958.36
  5. Step 5: Solve for x
    x = 131,007,141,958.36/365,323.78
  6. Step 6: Final answer
    x = 358,605.57

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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.