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Finding the Fourth Proportional to 340,252.92, 510,379.56 and 153,045.72

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Solution

The fourth proportional to 340,252.92, 510,379.56 and 153,045.72 is: 229,568.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,252.92 : 510,379.56 = 153,045.72 : x
  2. Step 2: Convert to fraction form
    340,252.92/510,379.56 = 153,045.72/x
  3. Step 3: Cross multiply
    340,252.92x = 510,379.56 × 153,045.72
  4. Step 4: Simplify right side
    340,252.92x = 78,111,407,233.48
  5. Step 5: Solve for x
    x = 78,111,407,233.48/340,252.92
  6. Step 6: Final answer
    x = 229,568.66

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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.