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Finding the Fourth Proportional to 295,810.70, 443,994.45 and 155,669.90

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Solution

The fourth proportional to 295,810.70, 443,994.45 and 155,669.90 is: 233,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,810.70 : 443,994.45 = 155,669.90 : x
  2. Step 2: Convert to fraction form
    295,810.70/443,994.45 = 155,669.90/x
  3. Step 3: Cross multiply
    295,810.70x = 443,994.45 × 155,669.90
  4. Step 4: Simplify right side
    295,810.70x = 69,116,571,632.06
  5. Step 5: Solve for x
    x = 69,116,571,632.06/295,810.70
  6. Step 6: Final answer
    x = 233,651.36

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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.