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Finding the Fourth Proportional to 336,043.79, 463,428.95 and 245,255.95

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Solution

The fourth proportional to 336,043.79, 463,428.95 and 245,255.95 is: 338,225.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,043.79 : 463,428.95 = 245,255.95 : x
  2. Step 2: Convert to fraction form
    336,043.79/463,428.95 = 245,255.95/x
  3. Step 3: Cross multiply
    336,043.79x = 463,428.95 × 245,255.95
  4. Step 4: Simplify right side
    336,043.79x = 113,658,706,742.76
  5. Step 5: Solve for x
    x = 113,658,706,742.76/336,043.79
  6. Step 6: Final answer
    x = 338,225.88

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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.