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Finding the Fourth Proportional to 362,713.21, 500,504.48 and 209,728.25

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Solution

The fourth proportional to 362,713.21, 500,504.48 and 209,728.25 is: 289,402.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,713.21 : 500,504.48 = 209,728.25 : x
  2. Step 2: Convert to fraction form
    362,713.21/500,504.48 = 209,728.25/x
  3. Step 3: Cross multiply
    362,713.21x = 500,504.48 × 209,728.25
  4. Step 4: Simplify right side
    362,713.21x = 104,969,927,980.62
  5. Step 5: Solve for x
    x = 104,969,927,980.62/362,713.21
  6. Step 6: Final answer
    x = 289,402.00

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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.