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Finding the Fourth Proportional to 560,543.92, 773,567.04 and 305,911.48

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Solution

The fourth proportional to 560,543.92, 773,567.04 and 305,911.48 is: 422,166.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,543.92 : 773,567.04 = 305,911.48 : x
  2. Step 2: Convert to fraction form
    560,543.92/773,567.04 = 305,911.48/x
  3. Step 3: Cross multiply
    560,543.92x = 773,567.04 × 305,911.48
  4. Step 4: Simplify right side
    560,543.92x = 236,643,038,085.62
  5. Step 5: Solve for x
    x = 236,643,038,085.62/560,543.92
  6. Step 6: Final answer
    x = 422,166.81

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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.