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Finding the Fourth Proportional to 463,793.20, 696,534.60 and 405,732.40

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Solution

The fourth proportional to 463,793.20, 696,534.60 and 405,732.40 is: 609,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,793.20 : 696,534.60 = 405,732.40 : x
  2. Step 2: Convert to fraction form
    463,793.20/696,534.60 = 405,732.40/x
  3. Step 3: Cross multiply
    463,793.20x = 696,534.60 × 405,732.40
  4. Step 4: Simplify right side
    463,793.20x = 282,606,654,941.04
  5. Step 5: Solve for x
    x = 282,606,654,941.04/463,793.20
  6. Step 6: Final answer
    x = 609,337.64

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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.