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Finding the Fourth Proportional to 585,122.57, 807,366.45 and 326,916.98

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Solution

The fourth proportional to 585,122.57, 807,366.45 and 326,916.98 is: 451,088.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,122.57 : 807,366.45 = 326,916.98 : x
  2. Step 2: Convert to fraction form
    585,122.57/807,366.45 = 326,916.98/x
  3. Step 3: Cross multiply
    585,122.57x = 807,366.45 × 326,916.98
  4. Step 4: Simplify right side
    585,122.57x = 263,941,801,804.05
  5. Step 5: Solve for x
    x = 263,941,801,804.05/585,122.57
  6. Step 6: Final answer
    x = 451,088.06

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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.