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Finding the Fourth Proportional to 610,660.51, 842,749.65 and 352,584.65

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Solution

The fourth proportional to 610,660.51, 842,749.65 and 352,584.65 is: 486,588.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,660.51 : 842,749.65 = 352,584.65 : x
  2. Step 2: Convert to fraction form
    610,660.51/842,749.65 = 352,584.65/x
  3. Step 3: Cross multiply
    610,660.51x = 842,749.65 × 352,584.65
  4. Step 4: Simplify right side
    610,660.51x = 297,140,592,489.75
  5. Step 5: Solve for x
    x = 297,140,592,489.75/610,660.51
  6. Step 6: Final answer
    x = 486,588.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.