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Finding the Fourth Proportional to 354,799, 489,622.62 and 241,819.12

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Solution

The fourth proportional to 354,799, 489,622.62 and 241,819.12 is: 333,710.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,799 : 489,622.62 = 241,819.12 : x
  2. Step 2: Convert to fraction form
    354,799/489,622.62 = 241,819.12/x
  3. Step 3: Cross multiply
    354,799x = 489,622.62 × 241,819.12
  4. Step 4: Simplify right side
    354,799x = 118,400,111,100.49
  5. Step 5: Solve for x
    x = 118,400,111,100.49/354,799
  6. Step 6: Final answer
    x = 333,710.39

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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.