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Finding the Fourth Proportional to 463,631.40, 696,103.20 and 363,904.20

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Solution

The fourth proportional to 463,631.40, 696,103.20 and 363,904.20 is: 546,371.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,631.40 : 696,103.20 = 363,904.20 : x
  2. Step 2: Convert to fraction form
    463,631.40/696,103.20 = 363,904.20/x
  3. Step 3: Cross multiply
    463,631.40x = 696,103.20 × 363,904.20
  4. Step 4: Simplify right side
    463,631.40x = 253,314,878,113.44
  5. Step 5: Solve for x
    x = 253,314,878,113.44/463,631.40
  6. Step 6: Final answer
    x = 546,371.27

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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.