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Finding the Fourth Proportional to 614,682.09, 847,759.91 and 516,185.01

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Solution

The fourth proportional to 614,682.09, 847,759.91 and 516,185.01 is: 711,914.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,682.09 : 847,759.91 = 516,185.01 : x
  2. Step 2: Convert to fraction form
    614,682.09/847,759.91 = 516,185.01/x
  3. Step 3: Cross multiply
    614,682.09x = 847,759.91 × 516,185.01
  4. Step 4: Simplify right side
    614,682.09x = 437,600,955,040.02
  5. Step 5: Solve for x
    x = 437,600,955,040.02/614,682.09
  6. Step 6: Final answer
    x = 711,914.28

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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.