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Finding the Fourth Proportional to 533,890.80, 736,762.92 and 292,170.96

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Solution

The fourth proportional to 533,890.80, 736,762.92 and 292,170.96 is: 403,192.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,890.80 : 736,762.92 = 292,170.96 : x
  2. Step 2: Convert to fraction form
    533,890.80/736,762.92 = 292,170.96/x
  3. Step 3: Cross multiply
    533,890.80x = 736,762.92 × 292,170.96
  4. Step 4: Simplify right side
    533,890.80x = 215,260,729,628.80
  5. Step 5: Solve for x
    x = 215,260,729,628.80/533,890.80
  6. Step 6: Final answer
    x = 403,192.43

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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.