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Finding the Fourth Proportional to 231,818.79, 347,277.02 and 170,918.13

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Solution

The fourth proportional to 231,818.79, 347,277.02 and 170,918.13 is: 256,044.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,818.79 : 347,277.02 = 170,918.13 : x
  2. Step 2: Convert to fraction form
    231,818.79/347,277.02 = 170,918.13/x
  3. Step 3: Cross multiply
    231,818.79x = 347,277.02 × 170,918.13
  4. Step 4: Simplify right side
    231,818.79x = 59,355,939,298.07
  5. Step 5: Solve for x
    x = 59,355,939,298.07/231,818.79
  6. Step 6: Final answer
    x = 256,044.55

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1.5x scale

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.