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Finding the Fourth Proportional to 473,571.51, 709,222.46 and 345,143.58

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Solution

The fourth proportional to 473,571.51, 709,222.46 and 345,143.58 is: 516,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,571.51 : 709,222.46 = 345,143.58 : x
  2. Step 2: Convert to fraction form
    473,571.51/709,222.46 = 345,143.58/x
  3. Step 3: Cross multiply
    473,571.51x = 709,222.46 × 345,143.58
  4. Step 4: Simplify right side
    473,571.51x = 244,783,577,135.09
  5. Step 5: Solve for x
    x = 244,783,577,135.09/473,571.51
  6. Step 6: Final answer
    x = 516,888.31

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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.