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Finding the Fourth Proportional to 446,959.64, 616,795.35 and 243,014.60

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Solution

The fourth proportional to 446,959.64, 616,795.35 and 243,014.60 is: 335,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,959.64 : 616,795.35 = 243,014.60 : x
  2. Step 2: Convert to fraction form
    446,959.64/616,795.35 = 243,014.60/x
  3. Step 3: Cross multiply
    446,959.64x = 616,795.35 × 243,014.60
  4. Step 4: Simplify right side
    446,959.64x = 149,890,275,262.11
  5. Step 5: Solve for x
    x = 149,890,275,262.11/446,959.64
  6. Step 6: Final answer
    x = 335,355.28

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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.