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Finding the Fourth Proportional to 589,803.76, 884,706.18 and 146,571.76

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Solution

The fourth proportional to 589,803.76, 884,706.18 and 146,571.76 is: 219,857.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,803.76 : 884,706.18 = 146,571.76 : x
  2. Step 2: Convert to fraction form
    589,803.76/884,706.18 = 146,571.76/x
  3. Step 3: Cross multiply
    589,803.76x = 884,706.18 × 146,571.76
  4. Step 4: Simplify right side
    589,803.76x = 129,672,941,885.48
  5. Step 5: Solve for x
    x = 129,672,941,885.48/589,803.76
  6. Step 6: Final answer
    x = 219,857.77

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Double scale
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Similar ratio
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1.5x scale

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.