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Finding the Fourth Proportional to 463,630.40, 696,101.70 and 363,903.20

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Solution

The fourth proportional to 463,630.40, 696,101.70 and 363,903.20 is: 546,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,630.40 : 696,101.70 = 363,903.20 : x
  2. Step 2: Convert to fraction form
    463,630.40/696,101.70 = 363,903.20/x
  3. Step 3: Cross multiply
    463,630.40x = 696,101.70 × 363,903.20
  4. Step 4: Simplify right side
    463,630.40x = 253,313,636,155.44
  5. Step 5: Solve for x
    x = 253,313,636,155.44/463,630.40
  6. Step 6: Final answer
    x = 546,369.77

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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.