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Finding the Fourth Proportional to 436,772.76, 602,744.46 and 245,789.34

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Solution

The fourth proportional to 436,772.76, 602,744.46 and 245,789.34 is: 339,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,772.76 : 602,744.46 = 245,789.34 : x
  2. Step 2: Convert to fraction form
    436,772.76/602,744.46 = 245,789.34/x
  3. Step 3: Cross multiply
    436,772.76x = 602,744.46 × 245,789.34
  4. Step 4: Simplify right side
    436,772.76x = 148,148,163,012.06
  5. Step 5: Solve for x
    x = 148,148,163,012.06/436,772.76
  6. Step 6: Final answer
    x = 339,188.19

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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.