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Finding the Fourth Proportional to 349,792.60, 524,084.10 and 162,419.80

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Solution

The fourth proportional to 349,792.60, 524,084.10 and 162,419.80 is: 243,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,792.60 : 524,084.10 = 162,419.80 : x
  2. Step 2: Convert to fraction form
    349,792.60/524,084.10 = 162,419.80/x
  3. Step 3: Cross multiply
    349,792.60x = 524,084.10 × 162,419.80
  4. Step 4: Simplify right side
    349,792.60x = 85,121,634,705.18
  5. Step 5: Solve for x
    x = 85,121,634,705.18/349,792.60
  6. Step 6: Final answer
    x = 243,348.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.