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Finding the Fourth Proportional to 456,848.88, 684,763.56 and 190,520.88

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Solution

The fourth proportional to 456,848.88, 684,763.56 and 190,520.88 is: 285,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,848.88 : 684,763.56 = 190,520.88 : x
  2. Step 2: Convert to fraction form
    456,848.88/684,763.56 = 190,520.88/x
  3. Step 3: Cross multiply
    456,848.88x = 684,763.56 × 190,520.88
  4. Step 4: Simplify right side
    456,848.88x = 130,461,756,043.13
  5. Step 5: Solve for x
    x = 130,461,756,043.13/456,848.88
  6. Step 6: Final answer
    x = 285,568.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.