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Finding the Fourth Proportional to 554,057.20, 829,012.20 and 367,433.20

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Solution

The fourth proportional to 554,057.20, 829,012.20 and 367,433.20 is: 549,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,057.20 : 829,012.20 = 367,433.20 : x
  2. Step 2: Convert to fraction form
    554,057.20/829,012.20 = 367,433.20/x
  3. Step 3: Cross multiply
    554,057.20x = 829,012.20 × 367,433.20
  4. Step 4: Simplify right side
    554,057.20x = 304,606,605,485.04
  5. Step 5: Solve for x
    x = 304,606,605,485.04/554,057.20
  6. Step 6: Final answer
    x = 549,774.65

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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.