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Finding the Fourth Proportional to 347,685.48, 479,880.10 and 204,527.19

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Solution

The fourth proportional to 347,685.48, 479,880.10 and 204,527.19 is: 282,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,685.48 : 479,880.10 = 204,527.19 : x
  2. Step 2: Convert to fraction form
    347,685.48/479,880.10 = 204,527.19/x
  3. Step 3: Cross multiply
    347,685.48x = 479,880.10 × 204,527.19
  4. Step 4: Simplify right side
    347,685.48x = 98,148,528,389.92
  5. Step 5: Solve for x
    x = 98,148,528,389.92/347,685.48
  6. Step 6: Final answer
    x = 282,291.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.