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Finding the Fourth Proportional to 587,690.56, 811,030.08 and 333,033.28

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Solution

The fourth proportional to 587,690.56, 811,030.08 and 333,033.28 is: 459,595.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,690.56 : 811,030.08 = 333,033.28 : x
  2. Step 2: Convert to fraction form
    587,690.56/811,030.08 = 333,033.28/x
  3. Step 3: Cross multiply
    587,690.56x = 811,030.08 × 333,033.28
  4. Step 4: Simplify right side
    587,690.56x = 270,100,007,721.06
  5. Step 5: Solve for x
    x = 270,100,007,721.06/587,690.56
  6. Step 6: Final answer
    x = 459,595.62

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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.