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Finding the Fourth Proportional to 349,461.81, 481,259.07 and 314,710.65

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Solution

The fourth proportional to 349,461.81, 481,259.07 and 314,710.65 is: 433,401.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,461.81 : 481,259.07 = 314,710.65 : x
  2. Step 2: Convert to fraction form
    349,461.81/481,259.07 = 314,710.65/x
  3. Step 3: Cross multiply
    349,461.81x = 481,259.07 × 314,710.65
  4. Step 4: Simplify right side
    349,461.81x = 151,457,354,738.10
  5. Step 5: Solve for x
    x = 151,457,354,738.10/349,461.81
  6. Step 6: Final answer
    x = 433,401.73

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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.