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Finding the Fourth Proportional to 436,197.56, 601,955.16 and 245,209.28

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Solution

The fourth proportional to 436,197.56, 601,955.16 and 245,209.28 is: 338,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,197.56 : 601,955.16 = 245,209.28 : x
  2. Step 2: Convert to fraction form
    436,197.56/601,955.16 = 245,209.28/x
  3. Step 3: Cross multiply
    436,197.56x = 601,955.16 × 245,209.28
  4. Step 4: Simplify right side
    436,197.56x = 147,604,991,375.89
  5. Step 5: Solve for x
    x = 147,604,991,375.89/436,197.56
  6. Step 6: Final answer
    x = 338,390.23

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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.