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Finding the Fourth Proportional to 234,907.62, 324,172.71 and 127,477.65

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Solution

The fourth proportional to 234,907.62, 324,172.71 and 127,477.65 is: 175,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,907.62 : 324,172.71 = 127,477.65 : x
  2. Step 2: Convert to fraction form
    234,907.62/324,172.71 = 127,477.65/x
  3. Step 3: Cross multiply
    234,907.62x = 324,172.71 × 127,477.65
  4. Step 4: Simplify right side
    234,907.62x = 41,324,773,962.76
  5. Step 5: Solve for x
    x = 41,324,773,962.76/234,907.62
  6. Step 6: Final answer
    x = 175,919.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.