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Finding the Fourth Proportional to 343,963.04, 514,609.67 and 301,523.90

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Solution

The fourth proportional to 343,963.04, 514,609.67 and 301,523.90 is: 451,115.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,963.04 : 514,609.67 = 301,523.90 : x
  2. Step 2: Convert to fraction form
    343,963.04/514,609.67 = 301,523.90/x
  3. Step 3: Cross multiply
    343,963.04x = 514,609.67 × 301,523.90
  4. Step 4: Simplify right side
    343,963.04x = 155,167,110,595.45
  5. Step 5: Solve for x
    x = 155,167,110,595.45/343,963.04
  6. Step 6: Final answer
    x = 451,115.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.