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Finding the Fourth Proportional to 576,007.60, 863,622.60 and 306,180.40

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Solution

The fourth proportional to 576,007.60, 863,622.60 and 306,180.40 is: 459,063.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,007.60 : 863,622.60 = 306,180.40 : x
  2. Step 2: Convert to fraction form
    576,007.60/863,622.60 = 306,180.40/x
  3. Step 3: Cross multiply
    576,007.60x = 863,622.60 × 306,180.40
  4. Step 4: Simplify right side
    576,007.60x = 264,424,313,117.04
  5. Step 5: Solve for x
    x = 264,424,313,117.04/576,007.60
  6. Step 6: Final answer
    x = 459,063.93

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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.