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Finding the Fourth Proportional to 590,742.90, 885,786.30 and 235,355.40

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Solution

The fourth proportional to 590,742.90, 885,786.30 and 235,355.40 is: 352,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,742.90 : 885,786.30 = 235,355.40 : x
  2. Step 2: Convert to fraction form
    590,742.90/885,786.30 = 235,355.40/x
  3. Step 3: Cross multiply
    590,742.90x = 885,786.30 × 235,355.40
  4. Step 4: Simplify right side
    590,742.90x = 208,474,588,951.02
  5. Step 5: Solve for x
    x = 208,474,588,951.02/590,742.90
  6. Step 6: Final answer
    x = 352,902.40

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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.