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Finding the Fourth Proportional to 521,535.26, 719,659.14 and 292,060.64

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Solution

The fourth proportional to 521,535.26, 719,659.14 and 292,060.64 is: 403,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,535.26 : 719,659.14 = 292,060.64 : x
  2. Step 2: Convert to fraction form
    521,535.26/719,659.14 = 292,060.64/x
  3. Step 3: Cross multiply
    521,535.26x = 719,659.14 × 292,060.64
  4. Step 4: Simplify right side
    521,535.26x = 210,184,109,010.25
  5. Step 5: Solve for x
    x = 210,184,109,010.25/521,535.26
  6. Step 6: Final answer
    x = 403,010.35

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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.