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Finding the Fourth Proportional to 556,232.80, 834,567.90 and 219,216.10

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Solution

The fourth proportional to 556,232.80, 834,567.90 and 219,216.10 is: 328,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,232.80 : 834,567.90 = 219,216.10 : x
  2. Step 2: Convert to fraction form
    556,232.80/834,567.90 = 219,216.10/x
  3. Step 3: Cross multiply
    556,232.80x = 834,567.90 × 219,216.10
  4. Step 4: Simplify right side
    556,232.80x = 182,950,720,223.19
  5. Step 5: Solve for x
    x = 182,950,720,223.19/556,232.80
  6. Step 6: Final answer
    x = 328,910.34

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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.