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Finding the Fourth Proportional to 343,961.04, 514,606.66 and 301,521.90

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Solution

The fourth proportional to 343,961.04, 514,606.66 and 301,521.90 is: 451,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,961.04 : 514,606.66 = 301,521.90 : x
  2. Step 2: Convert to fraction form
    343,961.04/514,606.66 = 301,521.90/x
  3. Step 3: Cross multiply
    343,961.04x = 514,606.66 × 301,521.90
  4. Step 4: Simplify right side
    343,961.04x = 155,165,177,875.85
  5. Step 5: Solve for x
    x = 155,165,177,875.85/343,961.04
  6. Step 6: Final answer
    x = 451,112.65

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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.