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Finding the Fourth Proportional to 521,492.44, 719,600.10 and 292,017.82

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Solution

The fourth proportional to 521,492.44, 719,600.10 and 292,017.82 is: 402,951.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,492.44 : 719,600.10 = 292,017.82 : x
  2. Step 2: Convert to fraction form
    521,492.44/719,600.10 = 292,017.82/x
  3. Step 3: Cross multiply
    521,492.44x = 719,600.10 × 292,017.82
  4. Step 4: Simplify right side
    521,492.44x = 210,136,052,473.78
  5. Step 5: Solve for x
    x = 210,136,052,473.78/521,492.44
  6. Step 6: Final answer
    x = 402,951.29

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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.