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Finding the Fourth Proportional to 475,779.98, 713,749.97 and 235,905.72

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Solution

The fourth proportional to 475,779.98, 713,749.97 and 235,905.72 is: 353,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,779.98 : 713,749.97 = 235,905.72 : x
  2. Step 2: Convert to fraction form
    475,779.98/713,749.97 = 235,905.72/x
  3. Step 3: Cross multiply
    475,779.98x = 713,749.97 × 235,905.72
  4. Step 4: Simplify right side
    475,779.98x = 168,377,700,572.83
  5. Step 5: Solve for x
    x = 168,377,700,572.83/475,779.98
  6. Step 6: Final answer
    x = 353,898.25

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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.