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Finding the Fourth Proportional to 403,219.30, 556,406.49 and 233,464.90

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Solution

The fourth proportional to 403,219.30, 556,406.49 and 233,464.90 is: 322,160.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,219.30 : 556,406.49 = 233,464.90 : x
  2. Step 2: Convert to fraction form
    403,219.30/556,406.49 = 233,464.90/x
  3. Step 3: Cross multiply
    403,219.30x = 556,406.49 × 233,464.90
  4. Step 4: Simplify right side
    403,219.30x = 129,901,385,547.20
  5. Step 5: Solve for x
    x = 129,901,385,547.20/403,219.30
  6. Step 6: Final answer
    x = 322,160.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.