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Finding the Fourth Proportional to 353,506.72, 530,343.13 and 116,849.40

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Solution

The fourth proportional to 353,506.72, 530,343.13 and 116,849.40 is: 175,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,506.72 : 530,343.13 = 116,849.40 : x
  2. Step 2: Convert to fraction form
    353,506.72/530,343.13 = 116,849.40/x
  3. Step 3: Cross multiply
    353,506.72x = 530,343.13 × 116,849.40
  4. Step 4: Simplify right side
    353,506.72x = 61,970,276,534.62
  5. Step 5: Solve for x
    x = 61,970,276,534.62/353,506.72
  6. Step 6: Final answer
    x = 175,301.55

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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.