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Finding the Fourth Proportional to 533,455.62, 736,436.44 and 412,323.15

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Solution

The fourth proportional to 533,455.62, 736,436.44 and 412,323.15 is: 569,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,455.62 : 736,436.44 = 412,323.15 : x
  2. Step 2: Convert to fraction form
    533,455.62/736,436.44 = 412,323.15/x
  3. Step 3: Cross multiply
    533,455.62x = 736,436.44 × 412,323.15
  4. Step 4: Simplify right side
    533,455.62x = 303,649,792,715.59
  5. Step 5: Solve for x
    x = 303,649,792,715.59/533,455.62
  6. Step 6: Final answer
    x = 569,212.85

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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.