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Finding the Fourth Proportional to 606,459.20, 907,939.20 and 543,473.60

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Solution

The fourth proportional to 606,459.20, 907,939.20 and 543,473.60 is: 813,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,459.20 : 907,939.20 = 543,473.60 : x
  2. Step 2: Convert to fraction form
    606,459.20/907,939.20 = 543,473.60/x
  3. Step 3: Cross multiply
    606,459.20x = 907,939.20 × 543,473.60
  4. Step 4: Simplify right side
    606,459.20x = 493,440,985,605.12
  5. Step 5: Solve for x
    x = 493,440,985,605.12/606,459.20
  6. Step 6: Final answer
    x = 813,642.51

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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.