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Finding the Fourth Proportional to 484,466.00, 667,870.18 and 340,780.10

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Solution

The fourth proportional to 484,466.00, 667,870.18 and 340,780.10 is: 469,789.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,466.00 : 667,870.18 = 340,780.10 : x
  2. Step 2: Convert to fraction form
    484,466.00/667,870.18 = 340,780.10/x
  3. Step 3: Cross multiply
    484,466.00x = 667,870.18 × 340,780.10
  4. Step 4: Simplify right side
    484,466.00x = 227,596,862,536.12
  5. Step 5: Solve for x
    x = 227,596,862,536.12/484,466.00
  6. Step 6: Final answer
    x = 469,789.14

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Why These Related Problems?

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