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Finding the Fourth Proportional to 533,187.72, 735,797.39 and 291,470.40

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Solution

The fourth proportional to 533,187.72, 735,797.39 and 291,470.40 is: 402,228.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,187.72 : 735,797.39 = 291,470.40 : x
  2. Step 2: Convert to fraction form
    533,187.72/735,797.39 = 291,470.40/x
  3. Step 3: Cross multiply
    533,187.72x = 735,797.39 × 291,470.40
  4. Step 4: Simplify right side
    533,187.72x = 214,463,158,124.90
  5. Step 5: Solve for x
    x = 214,463,158,124.90/533,187.72
  6. Step 6: Final answer
    x = 402,228.24

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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.