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Finding the Fourth Proportional to 496,591.28, 685,240.14 and 292,628.96

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Solution

The fourth proportional to 496,591.28, 685,240.14 and 292,628.96 is: 403,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,591.28 : 685,240.14 = 292,628.96 : x
  2. Step 2: Convert to fraction form
    496,591.28/685,240.14 = 292,628.96/x
  3. Step 3: Cross multiply
    496,591.28x = 685,240.14 × 292,628.96
  4. Step 4: Simplify right side
    496,591.28x = 200,521,109,518.45
  5. Step 5: Solve for x
    x = 200,521,109,518.45/496,591.28
  6. Step 6: Final answer
    x = 403,795.07

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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.