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Finding the Fourth Proportional to 309,009.60, 463,194.81 and 175,602.60

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Solution

The fourth proportional to 309,009.60, 463,194.81 and 175,602.60 is: 263,222.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,009.60 : 463,194.81 = 175,602.60 : x
  2. Step 2: Convert to fraction form
    309,009.60/463,194.81 = 175,602.60/x
  3. Step 3: Cross multiply
    309,009.60x = 463,194.81 × 175,602.60
  4. Step 4: Simplify right side
    309,009.60x = 81,338,212,942.51
  5. Step 5: Solve for x
    x = 81,338,212,942.51/309,009.60
  6. Step 6: Final answer
    x = 263,222.28

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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.