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Finding the Fourth Proportional to 663,440.94, 995,195.43 and 190,130.40

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Solution

The fourth proportional to 663,440.94, 995,195.43 and 190,130.40 is: 285,205.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,440.94 : 995,195.43 = 190,130.40 : x
  2. Step 2: Convert to fraction form
    663,440.94/995,195.43 = 190,130.40/x
  3. Step 3: Cross multiply
    663,440.94x = 995,195.43 × 190,130.40
  4. Step 4: Simplify right side
    663,440.94x = 189,216,905,184.07
  5. Step 5: Solve for x
    x = 189,216,905,184.07/663,440.94
  6. Step 6: Final answer
    x = 285,205.35

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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.