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Finding the Fourth Proportional to 465,485.40, 698,228.10 and 306,053.10

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Solution

The fourth proportional to 465,485.40, 698,228.10 and 306,053.10 is: 459,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,485.40 : 698,228.10 = 306,053.10 : x
  2. Step 2: Convert to fraction form
    465,485.40/698,228.10 = 306,053.10/x
  3. Step 3: Cross multiply
    465,485.40x = 698,228.10 × 306,053.10
  4. Step 4: Simplify right side
    465,485.40x = 213,694,874,512.11
  5. Step 5: Solve for x
    x = 213,694,874,512.11/465,485.40
  6. Step 6: Final answer
    x = 459,079.65

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Similar ratio
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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.