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Finding the Fourth Proportional to 353,584.34, 530,147.94 and 151,312.50

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Solution

The fourth proportional to 353,584.34, 530,147.94 and 151,312.50 is: 226,870.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,584.34 : 530,147.94 = 151,312.50 : x
  2. Step 2: Convert to fraction form
    353,584.34/530,147.94 = 151,312.50/x
  3. Step 3: Cross multiply
    353,584.34x = 530,147.94 × 151,312.50
  4. Step 4: Simplify right side
    353,584.34x = 80,218,010,171.25
  5. Step 5: Solve for x
    x = 80,218,010,171.25/353,584.34
  6. Step 6: Final answer
    x = 226,870.94

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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.