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Finding the Fourth Proportional to 533,755.60, 736,403.88 and 307,396.24

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Solution

The fourth proportional to 533,755.60, 736,403.88 and 307,396.24 is: 424,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,755.60 : 736,403.88 = 307,396.24 : x
  2. Step 2: Convert to fraction form
    533,755.60/736,403.88 = 307,396.24/x
  3. Step 3: Cross multiply
    533,755.60x = 736,403.88 × 307,396.24
  4. Step 4: Simplify right side
    533,755.60x = 226,367,783,833.41
  5. Step 5: Solve for x
    x = 226,367,783,833.41/533,755.60
  6. Step 6: Final answer
    x = 424,103.81

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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.