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Finding the Fourth Proportional to 451,201.80, 676,802.70 and 448,577.40

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Solution

The fourth proportional to 451,201.80, 676,802.70 and 448,577.40 is: 672,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,201.80 : 676,802.70 = 448,577.40 : x
  2. Step 2: Convert to fraction form
    451,201.80/676,802.70 = 448,577.40/x
  3. Step 3: Cross multiply
    451,201.80x = 676,802.70 × 448,577.40
  4. Step 4: Simplify right side
    451,201.80x = 303,598,395,478.98
  5. Step 5: Solve for x
    x = 303,598,395,478.98/451,201.80
  6. Step 6: Final answer
    x = 672,866.10

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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.