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Finding the Fourth Proportional to 545,832.40, 818,748.60 and 347,034.10

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Solution

The fourth proportional to 545,832.40, 818,748.60 and 347,034.10 is: 520,551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,832.40 : 818,748.60 = 347,034.10 : x
  2. Step 2: Convert to fraction form
    545,832.40/818,748.60 = 347,034.10/x
  3. Step 3: Cross multiply
    545,832.40x = 818,748.60 × 347,034.10
  4. Step 4: Simplify right side
    545,832.40x = 284,133,683,527.26
  5. Step 5: Solve for x
    x = 284,133,683,527.26/545,832.40
  6. Step 6: Final answer
    x = 520,551.15

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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.