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Finding the Fourth Proportional to 768,450.44, 1,060,497.06 and 424,334.90

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Solution

The fourth proportional to 768,450.44, 1,060,497.06 and 424,334.90 is: 585,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,450.44 : 1,060,497.06 = 424,334.90 : x
  2. Step 2: Convert to fraction form
    768,450.44/1,060,497.06 = 424,334.90/x
  3. Step 3: Cross multiply
    768,450.44x = 1,060,497.06 × 424,334.90
  4. Step 4: Simplify right side
    768,450.44x = 450,005,913,905.39
  5. Step 5: Solve for x
    x = 450,005,913,905.39/768,450.44
  6. Step 6: Final answer
    x = 585,601.74

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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.