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Finding the Fourth Proportional to 353,538.51, 530,096.25 and 239,826.06

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Solution

The fourth proportional to 353,538.51, 530,096.25 and 239,826.06 is: 359,595.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,538.51 : 530,096.25 = 239,826.06 : x
  2. Step 2: Convert to fraction form
    353,538.51/530,096.25 = 239,826.06/x
  3. Step 3: Cross multiply
    353,538.51x = 530,096.25 × 239,826.06
  4. Step 4: Simplify right side
    353,538.51x = 127,130,895,058.28
  5. Step 5: Solve for x
    x = 127,130,895,058.28/353,538.51
  6. Step 6: Final answer
    x = 359,595.61

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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.