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Finding the Fourth Proportional to 525,304.62, 724,923.30 and 298,950.12

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Solution

The fourth proportional to 525,304.62, 724,923.30 and 298,950.12 is: 412,552.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,304.62 : 724,923.30 = 298,950.12 : x
  2. Step 2: Convert to fraction form
    525,304.62/724,923.30 = 298,950.12/x
  3. Step 3: Cross multiply
    525,304.62x = 724,923.30 × 298,950.12
  4. Step 4: Simplify right side
    525,304.62x = 216,715,907,525.80
  5. Step 5: Solve for x
    x = 216,715,907,525.80/525,304.62
  6. Step 6: Final answer
    x = 412,552.83

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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.