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Finding the Fourth Proportional to 362,137.61, 499,773.77 and 209,182.25

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Solution

The fourth proportional to 362,137.61, 499,773.77 and 209,182.25 is: 288,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,137.61 : 499,773.77 = 209,182.25 : x
  2. Step 2: Convert to fraction form
    362,137.61/499,773.77 = 209,182.25/x
  3. Step 3: Cross multiply
    362,137.61x = 499,773.77 × 209,182.25
  4. Step 4: Simplify right side
    362,137.61x = 104,543,798,154.80
  5. Step 5: Solve for x
    x = 104,543,798,154.80/362,137.61
  6. Step 6: Final answer
    x = 288,685.29

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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.