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Finding the Fourth Proportional to 521,492.46, 719,600.08 and 292,017.84

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Solution

The fourth proportional to 521,492.46, 719,600.08 and 292,017.84 is: 402,951.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,492.46 : 719,600.08 = 292,017.84 : x
  2. Step 2: Convert to fraction form
    521,492.46/719,600.08 = 292,017.84/x
  3. Step 3: Cross multiply
    521,492.46x = 719,600.08 × 292,017.84
  4. Step 4: Simplify right side
    521,492.46x = 210,136,061,025.43
  5. Step 5: Solve for x
    x = 210,136,061,025.43/521,492.46
  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.