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Finding the Fourth Proportional to 560,238.68, 840,570.35 and 335,760.21

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Solution

The fourth proportional to 560,238.68, 840,570.35 and 335,760.21 is: 503,767.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,238.68 : 840,570.35 = 335,760.21 : x
  2. Step 2: Convert to fraction form
    560,238.68/840,570.35 = 335,760.21/x
  3. Step 3: Cross multiply
    560,238.68x = 840,570.35 × 335,760.21
  4. Step 4: Simplify right side
    560,238.68x = 282,230,075,556.97
  5. Step 5: Solve for x
    x = 282,230,075,556.97/560,238.68
  6. Step 6: Final answer
    x = 503,767.56

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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.