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Finding the Fourth Proportional to 343,532.96, 474,223.92 and 322,012.88

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Solution

The fourth proportional to 343,532.96, 474,223.92 and 322,012.88 is: 444,516.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,532.96 : 474,223.92 = 322,012.88 : x
  2. Step 2: Convert to fraction form
    343,532.96/474,223.92 = 322,012.88/x
  3. Step 3: Cross multiply
    343,532.96x = 474,223.92 × 322,012.88
  4. Step 4: Simplify right side
    343,532.96x = 152,706,210,244.09
  5. Step 5: Solve for x
    x = 152,706,210,244.09/343,532.96
  6. Step 6: Final answer
    x = 444,516.91

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1.5x scale

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.