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Finding the Fourth Proportional to 336,636, 464,564.16 and 185,729.76

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Solution

The fourth proportional to 336,636, 464,564.16 and 185,729.76 is: 256,310.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,636 : 464,564.16 = 185,729.76 : x
  2. Step 2: Convert to fraction form
    336,636/464,564.16 = 185,729.76/x
  3. Step 3: Cross multiply
    336,636x = 464,564.16 × 185,729.76
  4. Step 4: Simplify right side
    336,636x = 86,283,389,941.40
  5. Step 5: Solve for x
    x = 86,283,389,941.40/336,636
  6. Step 6: Final answer
    x = 256,310.64

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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.