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Finding the Fourth Proportional to 620,846.07, 856,575.02 and 362,536.68

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Solution

The fourth proportional to 620,846.07, 856,575.02 and 362,536.68 is: 500,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,846.07 : 856,575.02 = 362,536.68 : x
  2. Step 2: Convert to fraction form
    620,846.07/856,575.02 = 362,536.68/x
  3. Step 3: Cross multiply
    620,846.07x = 856,575.02 × 362,536.68
  4. Step 4: Simplify right side
    620,846.07x = 310,539,857,826.18
  5. Step 5: Solve for x
    x = 310,539,857,826.18/620,846.07
  6. Step 6: Final answer
    x = 500,188.17

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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.