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Finding the Fourth Proportional to 577,956.80, 866,935.20 and 151,491.80

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Solution

The fourth proportional to 577,956.80, 866,935.20 and 151,491.80 is: 227,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,956.80 : 866,935.20 = 151,491.80 : x
  2. Step 2: Convert to fraction form
    577,956.80/866,935.20 = 151,491.80/x
  3. Step 3: Cross multiply
    577,956.80x = 866,935.20 × 151,491.80
  4. Step 4: Simplify right side
    577,956.80x = 131,333,573,931.36
  5. Step 5: Solve for x
    x = 131,333,573,931.36/577,956.80
  6. Step 6: Final answer
    x = 227,237.70

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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.