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Finding the Fourth Proportional to 365,559.77, 504,428.52 and 210,561.47

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Solution

The fourth proportional to 365,559.77, 504,428.52 and 210,561.47 is: 290,549.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,559.77 : 504,428.52 = 210,561.47 : x
  2. Step 2: Convert to fraction form
    365,559.77/504,428.52 = 210,561.47/x
  3. Step 3: Cross multiply
    365,559.77x = 504,428.52 × 210,561.47
  4. Step 4: Simplify right side
    365,559.77x = 106,213,210,027.31
  5. Step 5: Solve for x
    x = 106,213,210,027.31/365,559.77
  6. Step 6: Final answer
    x = 290,549.51

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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.