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Finding the Fourth Proportional to 560,573.72, 840,360.48 and 205,504.82

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Solution

The fourth proportional to 560,573.72, 840,360.48 and 205,504.82 is: 308,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,573.72 : 840,360.48 = 205,504.82 : x
  2. Step 2: Convert to fraction form
    560,573.72/840,360.48 = 205,504.82/x
  3. Step 3: Cross multiply
    560,573.72x = 840,360.48 × 205,504.82
  4. Step 4: Simplify right side
    560,573.72x = 172,698,129,177.51
  5. Step 5: Solve for x
    x = 172,698,129,177.51/560,573.72
  6. Step 6: Final answer
    x = 308,073.89

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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.