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Finding the Fourth Proportional to 358,568.30, 537,891.84 and 118,594.78

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Solution

The fourth proportional to 358,568.30, 537,891.84 and 118,594.78 is: 177,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,568.30 : 537,891.84 = 118,594.78 : x
  2. Step 2: Convert to fraction form
    358,568.30/537,891.84 = 118,594.78/x
  3. Step 3: Cross multiply
    358,568.30x = 537,891.84 × 118,594.78
  4. Step 4: Simplify right side
    358,568.30x = 63,791,164,428.60
  5. Step 5: Solve for x
    x = 63,791,164,428.60/358,568.30
  6. Step 6: Final answer
    x = 177,905.20

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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.