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Finding the Fourth Proportional to 476,019.52, 656,368.32 and 303,706.96

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Solution

The fourth proportional to 476,019.52, 656,368.32 and 303,706.96 is: 418,771.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,019.52 : 656,368.32 = 303,706.96 : x
  2. Step 2: Convert to fraction form
    476,019.52/656,368.32 = 303,706.96/x
  3. Step 3: Cross multiply
    476,019.52x = 656,368.32 × 303,706.96
  4. Step 4: Simplify right side
    476,019.52x = 199,343,627,107.51
  5. Step 5: Solve for x
    x = 199,343,627,107.51/476,019.52
  6. Step 6: Final answer
    x = 418,771.96

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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.