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Finding the Fourth Proportional to 593,977.20, 890,965.80 and 521,660.40

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Solution

The fourth proportional to 593,977.20, 890,965.80 and 521,660.40 is: 782,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,977.20 : 890,965.80 = 521,660.40 : x
  2. Step 2: Convert to fraction form
    593,977.20/890,965.80 = 521,660.40/x
  3. Step 3: Cross multiply
    593,977.20x = 890,965.80 × 521,660.40
  4. Step 4: Simplify right side
    593,977.20x = 464,781,575,614.32
  5. Step 5: Solve for x
    x = 464,781,575,614.32/593,977.20
  6. Step 6: Final answer
    x = 782,490.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.