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Finding the Fourth Proportional to 529,658, 730,928.04 and 291,194

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Solution

The fourth proportional to 529,658, 730,928.04 and 291,194 is: 401,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,658 : 730,928.04 = 291,194 : x
  2. Step 2: Convert to fraction form
    529,658/730,928.04 = 291,194/x
  3. Step 3: Cross multiply
    529,658x = 730,928.04 × 291,194
  4. Step 4: Simplify right side
    529,658x = 212,841,859,679.76
  5. Step 5: Solve for x
    x = 212,841,859,679.76/529,658
  6. Step 6: Final answer
    x = 401,847.72

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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.