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Finding the Fourth Proportional to 586,677.51, 809,548.02 and 328,518.57

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Solution

The fourth proportional to 586,677.51, 809,548.02 and 328,518.57 is: 453,318.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,677.51 : 809,548.02 = 328,518.57 : x
  2. Step 2: Convert to fraction form
    586,677.51/809,548.02 = 328,518.57/x
  3. Step 3: Cross multiply
    586,677.51x = 809,548.02 × 328,518.57
  4. Step 4: Simplify right side
    586,677.51x = 265,951,557,876.73
  5. Step 5: Solve for x
    x = 265,951,557,876.73/586,677.51
  6. Step 6: Final answer
    x = 453,318.14

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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.