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Finding the Fourth Proportional to 496,976.96, 685,597.32 and 292,888.88

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Solution

The fourth proportional to 496,976.96, 685,597.32 and 292,888.88 is: 404,050.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,976.96 : 685,597.32 = 292,888.88 : x
  2. Step 2: Convert to fraction form
    496,976.96/685,597.32 = 292,888.88/x
  3. Step 3: Cross multiply
    496,976.96x = 685,597.32 × 292,888.88
  4. Step 4: Simplify right side
    496,976.96x = 200,803,831,185.80
  5. Step 5: Solve for x
    x = 200,803,831,185.80/496,976.96
  6. Step 6: Final answer
    x = 404,050.58

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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.