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Finding the Fourth Proportional to 533,455.18, 736,435.83 and 412,322.72

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Solution

The fourth proportional to 533,455.18, 736,435.83 and 412,322.72 is: 569,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,455.18 : 736,435.83 = 412,322.72 : x
  2. Step 2: Convert to fraction form
    533,455.18/736,435.83 = 412,322.72/x
  3. Step 3: Cross multiply
    533,455.18x = 736,435.83 × 412,322.72
  4. Step 4: Simplify right side
    533,455.18x = 303,649,222,395.09
  5. Step 5: Solve for x
    x = 303,649,222,395.09/533,455.18
  6. Step 6: Final answer
    x = 569,212.25

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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.