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Finding the Fourth Proportional to 452,296.80, 678,445.20 and 444,002.40

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Solution

The fourth proportional to 452,296.80, 678,445.20 and 444,002.40 is: 666,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,296.80 : 678,445.20 = 444,002.40 : x
  2. Step 2: Convert to fraction form
    452,296.80/678,445.20 = 444,002.40/x
  3. Step 3: Cross multiply
    452,296.80x = 678,445.20 × 444,002.40
  4. Step 4: Simplify right side
    452,296.80x = 301,231,297,068.48
  5. Step 5: Solve for x
    x = 301,231,297,068.48/452,296.80
  6. Step 6: Final answer
    x = 666,003.60

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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.