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Finding the Fourth Proportional to 884,795.60, 1,220,965.32 and 502,769.36

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Solution

The fourth proportional to 884,795.60, 1,220,965.32 and 502,769.36 is: 693,791.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,795.60 : 1,220,965.32 = 502,769.36 : x
  2. Step 2: Convert to fraction form
    884,795.60/1,220,965.32 = 502,769.36/x
  3. Step 3: Cross multiply
    884,795.60x = 1,220,965.32 × 502,769.36
  4. Step 4: Simplify right side
    884,795.60x = 613,863,952,518.60
  5. Step 5: Solve for x
    x = 613,863,952,518.60/884,795.60
  6. Step 6: Final answer
    x = 693,791.82

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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.