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Finding the Fourth Proportional to 347,904.16, 521,861.16 and 98,586.16

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Solution

The fourth proportional to 347,904.16, 521,861.16 and 98,586.16 is: 147,880.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,904.16 : 521,861.16 = 98,586.16 : x
  2. Step 2: Convert to fraction form
    347,904.16/521,861.16 = 98,586.16/x
  3. Step 3: Cross multiply
    347,904.16x = 521,861.16 × 98,586.16
  4. Step 4: Simplify right side
    347,904.16x = 51,448,287,817.55
  5. Step 5: Solve for x
    x = 51,448,287,817.55/347,904.16
  6. Step 6: Final answer
    x = 147,880.63

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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.