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Finding the Fourth Proportional to 593,915.60, 889,123.80 and 394,461.20

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Solution

The fourth proportional to 593,915.60, 889,123.80 and 394,461.20 is: 590,529.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,915.60 : 889,123.80 = 394,461.20 : x
  2. Step 2: Convert to fraction form
    593,915.60/889,123.80 = 394,461.20/x
  3. Step 3: Cross multiply
    593,915.60x = 889,123.80 × 394,461.20
  4. Step 4: Simplify right side
    593,915.60x = 350,724,841,096.56
  5. Step 5: Solve for x
    x = 350,724,841,096.56/593,915.60
  6. Step 6: Final answer
    x = 590,529.77

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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.