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Finding the Fourth Proportional to 362,563.20, 500,339.88 and 201,420.72

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Solution

The fourth proportional to 362,563.20, 500,339.88 and 201,420.72 is: 277,962.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,563.20 : 500,339.88 = 201,420.72 : x
  2. Step 2: Convert to fraction form
    362,563.20/500,339.88 = 201,420.72/x
  3. Step 3: Cross multiply
    362,563.20x = 500,339.88 × 201,420.72
  4. Step 4: Simplify right side
    362,563.20x = 100,778,818,874.31
  5. Step 5: Solve for x
    x = 100,778,818,874.31/362,563.20
  6. Step 6: Final answer
    x = 277,962.07

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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.