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Finding the Fourth Proportional to 605,368.05, 835,407.86 and 350,866.86

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Solution

The fourth proportional to 605,368.05, 835,407.86 and 350,866.86 is: 484,196.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,368.05 : 835,407.86 = 350,866.86 : x
  2. Step 2: Convert to fraction form
    605,368.05/835,407.86 = 350,866.86/x
  3. Step 3: Cross multiply
    605,368.05x = 835,407.86 × 350,866.86
  4. Step 4: Simplify right side
    605,368.05x = 293,116,932,657.52
  5. Step 5: Solve for x
    x = 293,116,932,657.52/605,368.05
  6. Step 6: Final answer
    x = 484,196.24

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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.