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Finding the Fourth Proportional to 496,607.12, 685,332.12 and 270,266.96

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Solution

The fourth proportional to 496,607.12, 685,332.12 and 270,266.96 is: 372,976.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,607.12 : 685,332.12 = 270,266.96 : x
  2. Step 2: Convert to fraction form
    496,607.12/685,332.12 = 270,266.96/x
  3. Step 3: Cross multiply
    496,607.12x = 685,332.12 × 270,266.96
  4. Step 4: Simplify right side
    496,607.12x = 185,222,628,662.76
  5. Step 5: Solve for x
    x = 185,222,628,662.76/496,607.12
  6. Step 6: Final answer
    x = 372,976.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.