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Finding the Fourth Proportional to 353,507.19, 530,343.82 and 116,849.89

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Solution

The fourth proportional to 353,507.19, 530,343.82 and 116,849.89 is: 175,302.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,507.19 : 530,343.82 = 116,849.89 : x
  2. Step 2: Convert to fraction form
    353,507.19/530,343.82 = 116,849.89/x
  3. Step 3: Cross multiply
    353,507.19x = 530,343.82 × 116,849.89
  4. Step 4: Simplify right side
    353,507.19x = 61,970,617,838.17
  5. Step 5: Solve for x
    x = 61,970,617,838.17/353,507.19
  6. Step 6: Final answer
    x = 175,302.29

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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.