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Finding the Fourth Proportional to 516,203.76, 774,267.32 and 216,672.24

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Solution

The fourth proportional to 516,203.76, 774,267.32 and 216,672.24 is: 324,992.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,203.76 : 774,267.32 = 216,672.24 : x
  2. Step 2: Convert to fraction form
    516,203.76/774,267.32 = 216,672.24/x
  3. Step 3: Cross multiply
    516,203.76x = 774,267.32 × 216,672.24
  4. Step 4: Simplify right side
    516,203.76x = 167,762,234,583.20
  5. Step 5: Solve for x
    x = 167,762,234,583.20/516,203.76
  6. Step 6: Final answer
    x = 324,992.28

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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.