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Finding the Fourth Proportional to 605,234.40, 907,632.90 and 245,254.20

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Solution

The fourth proportional to 605,234.40, 907,632.90 and 245,254.20 is: 367,792.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,234.40 : 907,632.90 = 245,254.20 : x
  2. Step 2: Convert to fraction form
    605,234.40/907,632.90 = 245,254.20/x
  3. Step 3: Cross multiply
    605,234.40x = 907,632.90 × 245,254.20
  4. Step 4: Simplify right side
    605,234.40x = 222,600,780,783.18
  5. Step 5: Solve for x
    x = 222,600,780,783.18/605,234.40
  6. Step 6: Final answer
    x = 367,792.68

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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.