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Finding the Fourth Proportional to 574,276.60, 861,026.10 and 304,449.40

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Solution

The fourth proportional to 574,276.60, 861,026.10 and 304,449.40 is: 456,467.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,276.60 : 861,026.10 = 304,449.40 : x
  2. Step 2: Convert to fraction form
    574,276.60/861,026.10 = 304,449.40/x
  3. Step 3: Cross multiply
    574,276.60x = 861,026.10 × 304,449.40
  4. Step 4: Simplify right side
    574,276.60x = 262,138,879,529.34
  5. Step 5: Solve for x
    x = 262,138,879,529.34/574,276.60
  6. Step 6: Final answer
    x = 456,467.98

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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.