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Finding the Fourth Proportional to 436,152.10, 654,228.15 and 404,659.30

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Solution

The fourth proportional to 436,152.10, 654,228.15 and 404,659.30 is: 606,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,152.10 : 654,228.15 = 404,659.30 : x
  2. Step 2: Convert to fraction form
    436,152.10/654,228.15 = 404,659.30/x
  3. Step 3: Cross multiply
    436,152.10x = 654,228.15 × 404,659.30
  4. Step 4: Simplify right side
    436,152.10x = 264,739,505,219.30
  5. Step 5: Solve for x
    x = 264,739,505,219.30/436,152.10
  6. Step 6: Final answer
    x = 606,988.95

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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.