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Finding the Fourth Proportional to 586,877.07, 809,893.73 and 345,169.83

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Solution

The fourth proportional to 586,877.07, 809,893.73 and 345,169.83 is: 476,336.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,877.07 : 809,893.73 = 345,169.83 : x
  2. Step 2: Convert to fraction form
    586,877.07/809,893.73 = 345,169.83/x
  3. Step 3: Cross multiply
    586,877.07x = 809,893.73 × 345,169.83
  4. Step 4: Simplify right side
    586,877.07x = 279,550,879,376.32
  5. Step 5: Solve for x
    x = 279,550,879,376.32/586,877.07
  6. Step 6: Final answer
    x = 476,336.35

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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.