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Finding the Fourth Proportional to 590,267.02, 885,587.40 and 211,179.40

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Solution

The fourth proportional to 590,267.02, 885,587.40 and 211,179.40 is: 316,835.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,267.02 : 885,587.40 = 211,179.40 : x
  2. Step 2: Convert to fraction form
    590,267.02/885,587.40 = 211,179.40/x
  3. Step 3: Cross multiply
    590,267.02x = 885,587.40 × 211,179.40
  4. Step 4: Simplify right side
    590,267.02x = 187,017,815,779.56
  5. Step 5: Solve for x
    x = 187,017,815,779.56/590,267.02
  6. Step 6: Final answer
    x = 316,835.96

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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.