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Finding the Fourth Proportional to 362,717.20, 544,075.80 and 347,359.60

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Solution

The fourth proportional to 362,717.20, 544,075.80 and 347,359.60 is: 521,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,717.20 : 544,075.80 = 347,359.60 : x
  2. Step 2: Convert to fraction form
    362,717.20/544,075.80 = 347,359.60/x
  3. Step 3: Cross multiply
    362,717.20x = 544,075.80 × 347,359.60
  4. Step 4: Simplify right side
    362,717.20x = 188,989,952,257.68
  5. Step 5: Solve for x
    x = 188,989,952,257.68/362,717.20
  6. Step 6: Final answer
    x = 521,039.40

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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.