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Finding the Fourth Proportional to 334,448.70, 501,749.70 and 144,940.89

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Solution

The fourth proportional to 334,448.70, 501,749.70 and 144,940.89 is: 217,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,448.70 : 501,749.70 = 144,940.89 : x
  2. Step 2: Convert to fraction form
    334,448.70/501,749.70 = 144,940.89/x
  3. Step 3: Cross multiply
    334,448.70x = 501,749.70 × 144,940.89
  4. Step 4: Simplify right side
    334,448.70x = 72,724,048,075.23
  5. Step 5: Solve for x
    x = 72,724,048,075.23/334,448.70
  6. Step 6: Final answer
    x = 217,444.55

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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.