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Finding the Fourth Proportional to 348,817.60, 523,226.40 and 242,529.40

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Solution

The fourth proportional to 348,817.60, 523,226.40 and 242,529.40 is: 363,794.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,817.60 : 523,226.40 = 242,529.40 : x
  2. Step 2: Convert to fraction form
    348,817.60/523,226.40 = 242,529.40/x
  3. Step 3: Cross multiply
    348,817.60x = 523,226.40 × 242,529.40
  4. Step 4: Simplify right side
    348,817.60x = 126,897,784,856.16
  5. Step 5: Solve for x
    x = 126,897,784,856.16/348,817.60
  6. Step 6: Final answer
    x = 363,794.10

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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.