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Finding the Fourth Proportional to 464,346.74, 696,830.78 and 168,858.74

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Solution

The fourth proportional to 464,346.74, 696,830.78 and 168,858.74 is: 253,401.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,346.74 : 696,830.78 = 168,858.74 : x
  2. Step 2: Convert to fraction form
    464,346.74/696,830.78 = 168,858.74/x
  3. Step 3: Cross multiply
    464,346.74x = 696,830.78 × 168,858.74
  4. Step 4: Simplify right side
    464,346.74x = 117,665,964,442.01
  5. Step 5: Solve for x
    x = 117,665,964,442.01/464,346.74
  6. Step 6: Final answer
    x = 253,401.08

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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.