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Finding the Fourth Proportional to 353,445.60, 530,168.40 and 153,861.60

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Solution

The fourth proportional to 353,445.60, 530,168.40 and 153,861.60 is: 230,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,445.60 : 530,168.40 = 153,861.60 : x
  2. Step 2: Convert to fraction form
    353,445.60/530,168.40 = 153,861.60/x
  3. Step 3: Cross multiply
    353,445.60x = 530,168.40 × 153,861.60
  4. Step 4: Simplify right side
    353,445.60x = 81,572,558,293.44
  5. Step 5: Solve for x
    x = 81,572,558,293.44/353,445.60
  6. Step 6: Final answer
    x = 230,792.40

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