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Finding the Fourth Proportional to 446,698.90, 616,442.45 and 242,745.96

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Solution

The fourth proportional to 446,698.90, 616,442.45 and 242,745.96 is: 334,988.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,698.90 : 616,442.45 = 242,745.96 : x
  2. Step 2: Convert to fraction form
    446,698.90/616,442.45 = 242,745.96/x
  3. Step 3: Cross multiply
    446,698.90x = 616,442.45 × 242,745.96
  4. Step 4: Simplify right side
    446,698.90x = 149,638,914,310.00
  5. Step 5: Solve for x
    x = 149,638,914,310.00/446,698.90
  6. Step 6: Final answer
    x = 334,988.32

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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.