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Finding the Fourth Proportional to 586,681.22, 809,553.08 and 328,522.26

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Solution

The fourth proportional to 586,681.22, 809,553.08 and 328,522.26 is: 453,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,681.22 : 809,553.08 = 328,522.26 : x
  2. Step 2: Convert to fraction form
    586,681.22/809,553.08 = 328,522.26/x
  3. Step 3: Cross multiply
    586,681.22x = 809,553.08 × 328,522.26
  4. Step 4: Simplify right side
    586,681.22x = 265,956,207,431.56
  5. Step 5: Solve for x
    x = 265,956,207,431.56/586,681.22
  6. Step 6: Final answer
    x = 453,323.20

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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.