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Finding the Fourth Proportional to 530,368.79, 795,306.53 and 193,174.70

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Solution

The fourth proportional to 530,368.79, 795,306.53 and 193,174.70 is: 289,672.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,368.79 : 795,306.53 = 193,174.70 : x
  2. Step 2: Convert to fraction form
    530,368.79/795,306.53 = 193,174.70/x
  3. Step 3: Cross multiply
    530,368.79x = 795,306.53 × 193,174.70
  4. Step 4: Simplify right side
    530,368.79x = 153,633,096,847.20
  5. Step 5: Solve for x
    x = 153,633,096,847.20/530,368.79
  6. Step 6: Final answer
    x = 289,672.21

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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.