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Finding the Fourth Proportional to 470,792.16, 649,685.50 and 255,937.62

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Solution

The fourth proportional to 470,792.16, 649,685.50 and 255,937.62 is: 353,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,792.16 : 649,685.50 = 255,937.62 : x
  2. Step 2: Convert to fraction form
    470,792.16/649,685.50 = 255,937.62/x
  3. Step 3: Cross multiply
    470,792.16x = 649,685.50 × 255,937.62
  4. Step 4: Simplify right side
    470,792.16x = 166,278,960,618.51
  5. Step 5: Solve for x
    x = 166,278,960,618.51/470,792.16
  6. Step 6: Final answer
    x = 353,189.74

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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.