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Finding the Fourth Proportional to 349,881.76, 481,668.42 and 333,812.98

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Solution

The fourth proportional to 349,881.76, 481,668.42 and 333,812.98 is: 459,547.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,881.76 : 481,668.42 = 333,812.98 : x
  2. Step 2: Convert to fraction form
    349,881.76/481,668.42 = 333,812.98/x
  3. Step 3: Cross multiply
    349,881.76x = 481,668.42 × 333,812.98
  4. Step 4: Simplify right side
    349,881.76x = 160,787,170,652.09
  5. Step 5: Solve for x
    x = 160,787,170,652.09/349,881.76
  6. Step 6: Final answer
    x = 459,547.16

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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.