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Finding the Fourth Proportional to 593,871.80, 890,915.70 and 194,401.40

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Solution

The fourth proportional to 593,871.80, 890,915.70 and 194,401.40 is: 291,637.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,871.80 : 890,915.70 = 194,401.40 : x
  2. Step 2: Convert to fraction form
    593,871.80/890,915.70 = 194,401.40/x
  3. Step 3: Cross multiply
    593,871.80x = 890,915.70 × 194,401.40
  4. Step 4: Simplify right side
    593,871.80x = 173,195,259,361.98
  5. Step 5: Solve for x
    x = 173,195,259,361.98/593,871.80
  6. Step 6: Final answer
    x = 291,637.45

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Why These Related Problems?

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