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Finding the Fourth Proportional to 366,430.50, 552,141.72 and 301,328.82

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Solution

The fourth proportional to 366,430.50, 552,141.72 and 301,328.82 is: 454,045.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,430.50 : 552,141.72 = 301,328.82 : x
  2. Step 2: Convert to fraction form
    366,430.50/552,141.72 = 301,328.82/x
  3. Step 3: Cross multiply
    366,430.50x = 552,141.72 × 301,328.82
  4. Step 4: Simplify right side
    366,430.50x = 166,376,212,960.37
  5. Step 5: Solve for x
    x = 166,376,212,960.37/366,430.50
  6. Step 6: Final answer
    x = 454,045.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.