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Finding the Fourth Proportional to 434,832.40, 652,248.60 and 186,000.40

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Solution

The fourth proportional to 434,832.40, 652,248.60 and 186,000.40 is: 279,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,832.40 : 652,248.60 = 186,000.40 : x
  2. Step 2: Convert to fraction form
    434,832.40/652,248.60 = 186,000.40/x
  3. Step 3: Cross multiply
    434,832.40x = 652,248.60 × 186,000.40
  4. Step 4: Simplify right side
    434,832.40x = 121,318,500,499.44
  5. Step 5: Solve for x
    x = 121,318,500,499.44/434,832.40
  6. Step 6: Final answer
    x = 279,000.60

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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.