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Finding the Fourth Proportional to 575,671.92, 863,509.50 and 220,794.72

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Solution

The fourth proportional to 575,671.92, 863,509.50 and 220,794.72 is: 331,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,671.92 : 863,509.50 = 220,794.72 : x
  2. Step 2: Convert to fraction form
    575,671.92/863,509.50 = 220,794.72/x
  3. Step 3: Cross multiply
    575,671.92x = 863,509.50 × 220,794.72
  4. Step 4: Simplify right side
    575,671.92x = 190,658,338,269.84
  5. Step 5: Solve for x
    x = 190,658,338,269.84/575,671.92
  6. Step 6: Final answer
    x = 331,192.70

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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.