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Finding the Fourth Proportional to 362,406.90, 543,610.35 and 236,435.70

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Solution

The fourth proportional to 362,406.90, 543,610.35 and 236,435.70 is: 354,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,406.90 : 543,610.35 = 236,435.70 : x
  2. Step 2: Convert to fraction form
    362,406.90/543,610.35 = 236,435.70/x
  3. Step 3: Cross multiply
    362,406.90x = 543,610.35 × 236,435.70
  4. Step 4: Simplify right side
    362,406.90x = 128,528,893,629.50
  5. Step 5: Solve for x
    x = 128,528,893,629.50/362,406.90
  6. Step 6: Final answer
    x = 354,653.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.