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Finding the Fourth Proportional to 569,781.11, 785,528.45 and 365,477.34

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Solution

The fourth proportional to 569,781.11, 785,528.45 and 365,477.34 is: 503,865.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,781.11 : 785,528.45 = 365,477.34 : x
  2. Step 2: Convert to fraction form
    569,781.11/785,528.45 = 365,477.34/x
  3. Step 3: Cross multiply
    569,781.11x = 785,528.45 × 365,477.34
  4. Step 4: Simplify right side
    569,781.11x = 287,092,848,400.32
  5. Step 5: Solve for x
    x = 287,092,848,400.32/569,781.11
  6. Step 6: Final answer
    x = 503,865.16

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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.