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Finding the Fourth Proportional to 633,432.24, 874,143.72 and 361,536.84

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Solution

The fourth proportional to 633,432.24, 874,143.72 and 361,536.84 is: 498,924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,432.24 : 874,143.72 = 361,536.84 : x
  2. Step 2: Convert to fraction form
    633,432.24/874,143.72 = 361,536.84/x
  3. Step 3: Cross multiply
    633,432.24x = 874,143.72 × 361,536.84
  4. Step 4: Simplify right side
    633,432.24x = 316,035,158,234.65
  5. Step 5: Solve for x
    x = 316,035,158,234.65/633,432.24
  6. Step 6: Final answer
    x = 498,924.97

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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.