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Finding the Fourth Proportional to 436,133.80, 654,200.70 and 362,405.80

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Solution

The fourth proportional to 436,133.80, 654,200.70 and 362,405.80 is: 543,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,133.80 : 654,200.70 = 362,405.80 : x
  2. Step 2: Convert to fraction form
    436,133.80/654,200.70 = 362,405.80/x
  3. Step 3: Cross multiply
    436,133.80x = 654,200.70 × 362,405.80
  4. Step 4: Simplify right side
    436,133.80x = 237,086,128,044.06
  5. Step 5: Solve for x
    x = 237,086,128,044.06/436,133.80
  6. Step 6: Final answer
    x = 543,608.70

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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.