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Finding the Fourth Proportional to 362,790.50, 544,973.06 and 306,743.15

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Solution

The fourth proportional to 362,790.50, 544,973.06 and 306,743.15 is: 460,780.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,790.50 : 544,973.06 = 306,743.15 : x
  2. Step 2: Convert to fraction form
    362,790.50/544,973.06 = 306,743.15/x
  3. Step 3: Cross multiply
    362,790.50x = 544,973.06 × 306,743.15
  4. Step 4: Simplify right side
    362,790.50x = 167,166,755,218.83
  5. Step 5: Solve for x
    x = 167,166,755,218.83/362,790.50
  6. Step 6: Final answer
    x = 460,780.42

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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.