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Finding the Fourth Proportional to 573,064.85, 790,783.17 and 331,363.10

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Solution

The fourth proportional to 573,064.85, 790,783.17 and 331,363.10 is: 457,254.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,064.85 : 790,783.17 = 331,363.10 : x
  2. Step 2: Convert to fraction form
    573,064.85/790,783.17 = 331,363.10/x
  3. Step 3: Cross multiply
    573,064.85x = 790,783.17 × 331,363.10
  4. Step 4: Simplify right side
    573,064.85x = 262,036,362,639.03
  5. Step 5: Solve for x
    x = 262,036,362,639.03/573,064.85
  6. Step 6: Final answer
    x = 457,254.29

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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.