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Finding the Fourth Proportional to 343,886.80, 514,663.80 and 301,896.40

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Solution

The fourth proportional to 343,886.80, 514,663.80 and 301,896.40 is: 451,820.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,886.80 : 514,663.80 = 301,896.40 : x
  2. Step 2: Convert to fraction form
    343,886.80/514,663.80 = 301,896.40/x
  3. Step 3: Cross multiply
    343,886.80x = 514,663.80 × 301,896.40
  4. Step 4: Simplify right side
    343,886.80x = 155,375,148,430.32
  5. Step 5: Solve for x
    x = 155,375,148,430.32/343,886.80
  6. Step 6: Final answer
    x = 451,820.62

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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.