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Finding the Fourth Proportional to 574,260.60, 861,002.10 and 304,433.40

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Solution

The fourth proportional to 574,260.60, 861,002.10 and 304,433.40 is: 456,443.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,260.60 : 861,002.10 = 304,433.40 : x
  2. Step 2: Convert to fraction form
    574,260.60/861,002.10 = 304,433.40/x
  3. Step 3: Cross multiply
    574,260.60x = 861,002.10 × 304,433.40
  4. Step 4: Simplify right side
    574,260.60x = 262,117,796,710.14
  5. Step 5: Solve for x
    x = 262,117,796,710.14/574,260.60
  6. Step 6: Final answer
    x = 456,443.99

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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.