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Finding the Fourth Proportional to 436,343.54, 602,208.92 and 245,355.56

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Solution

The fourth proportional to 436,343.54, 602,208.92 and 245,355.56 is: 338,621.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,343.54 : 602,208.92 = 245,355.56 : x
  2. Step 2: Convert to fraction form
    436,343.54/602,208.92 = 245,355.56/x
  3. Step 3: Cross multiply
    436,343.54x = 602,208.92 × 245,355.56
  4. Step 4: Simplify right side
    436,343.54x = 147,755,308,922.51
  5. Step 5: Solve for x
    x = 147,755,308,922.51/436,343.54
  6. Step 6: Final answer
    x = 338,621.51

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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.