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Finding the Fourth Proportional to 583,432.88, 805,137.37 and 315,160.88

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Solution

The fourth proportional to 583,432.88, 805,137.37 and 315,160.88 is: 434,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,432.88 : 805,137.37 = 315,160.88 : x
  2. Step 2: Convert to fraction form
    583,432.88/805,137.37 = 315,160.88/x
  3. Step 3: Cross multiply
    583,432.88x = 805,137.37 × 315,160.88
  4. Step 4: Simplify right side
    583,432.88x = 253,747,797,236.50
  5. Step 5: Solve for x
    x = 253,747,797,236.50/583,432.88
  6. Step 6: Final answer
    x = 434,922.01

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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.