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Finding the Fourth Proportional to 449,466.80, 674,200.20 and 260,250.80

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Solution

The fourth proportional to 449,466.80, 674,200.20 and 260,250.80 is: 390,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,466.80 : 674,200.20 = 260,250.80 : x
  2. Step 2: Convert to fraction form
    449,466.80/674,200.20 = 260,250.80/x
  3. Step 3: Cross multiply
    449,466.80x = 674,200.20 × 260,250.80
  4. Step 4: Simplify right side
    449,466.80x = 175,461,141,410.16
  5. Step 5: Solve for x
    x = 175,461,141,410.16/449,466.80
  6. Step 6: Final answer
    x = 390,376.20

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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.