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Finding the Fourth Proportional to 560,612.34, 773,526.78 and 356,589

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Solution

The fourth proportional to 560,612.34, 773,526.78 and 356,589 is: 492,017.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,612.34 : 773,526.78 = 356,589 : x
  2. Step 2: Convert to fraction form
    560,612.34/773,526.78 = 356,589/x
  3. Step 3: Cross multiply
    560,612.34x = 773,526.78 × 356,589
  4. Step 4: Simplify right side
    560,612.34x = 275,831,140,953.42
  5. Step 5: Solve for x
    x = 275,831,140,953.42/560,612.34
  6. Step 6: Final answer
    x = 492,017.61

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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.