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Finding the Fourth Proportional to 583,423.50, 805,104.27 and 328,759.50

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Solution

The fourth proportional to 583,423.50, 805,104.27 and 328,759.50 is: 453,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,423.50 : 805,104.27 = 328,759.50 : x
  2. Step 2: Convert to fraction form
    583,423.50/805,104.27 = 328,759.50/x
  3. Step 3: Cross multiply
    583,423.50x = 805,104.27 × 328,759.50
  4. Step 4: Simplify right side
    583,423.50x = 264,685,677,253.07
  5. Step 5: Solve for x
    x = 264,685,677,253.07/583,423.50
  6. Step 6: Final answer
    x = 453,676.75

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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.