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Finding the Fourth Proportional to 463,432.40, 695,148.60 and 363,899.60

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Solution

The fourth proportional to 463,432.40, 695,148.60 and 363,899.60 is: 545,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,432.40 : 695,148.60 = 363,899.60 : x
  2. Step 2: Convert to fraction form
    463,432.40/695,148.60 = 363,899.60/x
  3. Step 3: Cross multiply
    463,432.40x = 695,148.60 × 363,899.60
  4. Step 4: Simplify right side
    463,432.40x = 252,964,297,480.56
  5. Step 5: Solve for x
    x = 252,964,297,480.56/463,432.40
  6. Step 6: Final answer
    x = 545,849.40

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Double scale
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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.