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Finding the Fourth Proportional to 409,302.01, 614,045.05 and 124,968.77

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Solution

The fourth proportional to 409,302.01, 614,045.05 and 124,968.77 is: 187,481.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,302.01 : 614,045.05 = 124,968.77 : x
  2. Step 2: Convert to fraction form
    409,302.01/614,045.05 = 124,968.77/x
  3. Step 3: Cross multiply
    409,302.01x = 614,045.05 × 124,968.77
  4. Step 4: Simplify right side
    409,302.01x = 76,736,454,623.09
  5. Step 5: Solve for x
    x = 76,736,454,623.09/409,302.01
  6. Step 6: Final answer
    x = 187,481.26

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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.