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Finding the Fourth Proportional to 446,648.60, 616,378.97 and 242,699.52

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Solution

The fourth proportional to 446,648.60, 616,378.97 and 242,699.52 is: 334,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,648.60 : 616,378.97 = 242,699.52 : x
  2. Step 2: Convert to fraction form
    446,648.60/616,378.97 = 242,699.52/x
  3. Step 3: Cross multiply
    446,648.60x = 616,378.97 × 242,699.52
  4. Step 4: Simplify right side
    446,648.60x = 149,594,876,509.38
  5. Step 5: Solve for x
    x = 149,594,876,509.38/446,648.60
  6. Step 6: Final answer
    x = 334,927.45

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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.