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Finding the Fourth Proportional to 484,463.61, 668,379.69 and 483,716.25

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Solution

The fourth proportional to 484,463.61, 668,379.69 and 483,716.25 is: 667,348.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,463.61 : 668,379.69 = 483,716.25 : x
  2. Step 2: Convert to fraction form
    484,463.61/668,379.69 = 483,716.25/x
  3. Step 3: Cross multiply
    484,463.61x = 668,379.69 × 483,716.25
  4. Step 4: Simplify right side
    484,463.61x = 323,306,117,222.96
  5. Step 5: Solve for x
    x = 323,306,117,222.96/484,463.61
  6. Step 6: Final answer
    x = 667,348.61

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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.