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Finding the Fourth Proportional to 464,385.36, 696,888.72 and 168,897.36

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Solution

The fourth proportional to 464,385.36, 696,888.72 and 168,897.36 is: 253,459.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,385.36 : 696,888.72 = 168,897.36 : x
  2. Step 2: Convert to fraction form
    464,385.36/696,888.72 = 168,897.36/x
  3. Step 3: Cross multiply
    464,385.36x = 696,888.72 × 168,897.36
  4. Step 4: Simplify right side
    464,385.36x = 117,702,665,021.78
  5. Step 5: Solve for x
    x = 117,702,665,021.78/464,385.36
  6. Step 6: Final answer
    x = 253,459.03

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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.