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Finding the Fourth Proportional to 449,914.76, 674,855.34 and 112,957.64

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Solution

The fourth proportional to 449,914.76, 674,855.34 and 112,957.64 is: 169,432.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,914.76 : 674,855.34 = 112,957.64 : x
  2. Step 2: Convert to fraction form
    449,914.76/674,855.34 = 112,957.64/x
  3. Step 3: Cross multiply
    449,914.76x = 674,855.34 × 112,957.64
  4. Step 4: Simplify right side
    449,914.76x = 76,230,066,547.80
  5. Step 5: Solve for x
    x = 76,230,066,547.80/449,914.76
  6. Step 6: Final answer
    x = 169,432.24

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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.