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Finding the Fourth Proportional to 436,481.84, 602,339.14 and 245,495.24

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Solution

The fourth proportional to 436,481.84, 602,339.14 and 245,495.24 is: 338,780.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,481.84 : 602,339.14 = 245,495.24 : x
  2. Step 2: Convert to fraction form
    436,481.84/602,339.14 = 245,495.24/x
  3. Step 3: Cross multiply
    436,481.84x = 602,339.14 × 245,495.24
  4. Step 4: Simplify right side
    436,481.84x = 147,871,391,735.69
  5. Step 5: Solve for x
    x = 147,871,391,735.69/436,481.84
  6. Step 6: Final answer
    x = 338,780.17

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1.5x scale

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.