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Finding the Fourth Proportional to 452,297.80, 678,446.70 and 444,003.40

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Solution

The fourth proportional to 452,297.80, 678,446.70 and 444,003.40 is: 666,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,297.80 : 678,446.70 = 444,003.40 : x
  2. Step 2: Convert to fraction form
    452,297.80/678,446.70 = 444,003.40/x
  3. Step 3: Cross multiply
    452,297.80x = 678,446.70 × 444,003.40
  4. Step 4: Simplify right side
    452,297.80x = 301,232,641,518.78
  5. Step 5: Solve for x
    x = 301,232,641,518.78/452,297.80
  6. Step 6: Final answer
    x = 666,005.10

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Similar ratio
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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.