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Finding the Fourth Proportional to 330,956.86, 456,706.06 and 183,772.56

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Solution

The fourth proportional to 330,956.86, 456,706.06 and 183,772.56 is: 253,598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,956.86 : 456,706.06 = 183,772.56 : x
  2. Step 2: Convert to fraction form
    330,956.86/456,706.06 = 183,772.56/x
  3. Step 3: Cross multiply
    330,956.86x = 456,706.06 × 183,772.56
  4. Step 4: Simplify right side
    330,956.86x = 83,930,041,813.71
  5. Step 5: Solve for x
    x = 83,930,041,813.71/330,956.86
  6. Step 6: Final answer
    x = 253,598.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.