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Finding the Fourth Proportional to 446,554.52, 616,242.62 and 242,603.81

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Solution

The fourth proportional to 446,554.52, 616,242.62 and 242,603.81 is: 334,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,554.52 : 616,242.62 = 242,603.81 : x
  2. Step 2: Convert to fraction form
    446,554.52/616,242.62 = 242,603.81/x
  3. Step 3: Cross multiply
    446,554.52x = 616,242.62 × 242,603.81
  4. Step 4: Simplify right side
    446,554.52x = 149,502,803,202.15
  5. Step 5: Solve for x
    x = 149,502,803,202.15/446,554.52
  6. Step 6: Final answer
    x = 334,791.83

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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.