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Finding the Fourth Proportional to 551,820.08, 761,508.60 and 336,930.32

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Solution

The fourth proportional to 551,820.08, 761,508.60 and 336,930.32 is: 464,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,820.08 : 761,508.60 = 336,930.32 : x
  2. Step 2: Convert to fraction form
    551,820.08/761,508.60 = 336,930.32/x
  3. Step 3: Cross multiply
    551,820.08x = 761,508.60 × 336,930.32
  4. Step 4: Simplify right side
    551,820.08x = 256,575,336,280.75
  5. Step 5: Solve for x
    x = 256,575,336,280.75/551,820.08
  6. Step 6: Final answer
    x = 464,961.94

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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.