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Finding the Fourth Proportional to 586,664.46, 809,603.22 and 360,309.96

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Solution

The fourth proportional to 586,664.46, 809,603.22 and 360,309.96 is: 497,231.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,664.46 : 809,603.22 = 360,309.96 : x
  2. Step 2: Convert to fraction form
    586,664.46/809,603.22 = 360,309.96/x
  3. Step 3: Cross multiply
    586,664.46x = 809,603.22 × 360,309.96
  4. Step 4: Simplify right side
    586,664.46x = 291,708,103,814.07
  5. Step 5: Solve for x
    x = 291,708,103,814.07/586,664.46
  6. Step 6: Final answer
    x = 497,231.59

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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.