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Finding the Fourth Proportional to 303,477.80, 455,496.26 and 153,824.22

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Solution

The fourth proportional to 303,477.80, 455,496.26 and 153,824.22 is: 230,878.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,477.80 : 455,496.26 = 153,824.22 : x
  2. Step 2: Convert to fraction form
    303,477.80/455,496.26 = 153,824.22/x
  3. Step 3: Cross multiply
    303,477.80x = 455,496.26 × 153,824.22
  4. Step 4: Simplify right side
    303,477.80x = 70,066,356,907.42
  5. Step 5: Solve for x
    x = 70,066,356,907.42/303,477.80
  6. Step 6: Final answer
    x = 230,878.03

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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.