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Finding the Fourth Proportional to 346,802.80, 519,858.60 and 159,487.60

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Solution

The fourth proportional to 346,802.80, 519,858.60 and 159,487.60 is: 239,072.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,802.80 : 519,858.60 = 159,487.60 : x
  2. Step 2: Convert to fraction form
    346,802.80/519,858.60 = 159,487.60/x
  3. Step 3: Cross multiply
    346,802.80x = 519,858.60 × 159,487.60
  4. Step 4: Simplify right side
    346,802.80x = 82,911,000,453.36
  5. Step 5: Solve for x
    x = 82,911,000,453.36/346,802.80
  6. Step 6: Final answer
    x = 239,072.47

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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.