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Finding the Fourth Proportional to 354,135.92, 488,693.33 and 192,987.51

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Solution

The fourth proportional to 354,135.92, 488,693.33 and 192,987.51 is: 266,315.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,135.92 : 488,693.33 = 192,987.51 : x
  2. Step 2: Convert to fraction form
    354,135.92/488,693.33 = 192,987.51/x
  3. Step 3: Cross multiply
    354,135.92x = 488,693.33 × 192,987.51
  4. Step 4: Simplify right side
    354,135.92x = 94,311,708,910.31
  5. Step 5: Solve for x
    x = 94,311,708,910.31/354,135.92
  6. Step 6: Final answer
    x = 266,315.00

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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.