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Finding the Fourth Proportional to 427,462.32, 589,880.28 and 233,869.08

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Solution

The fourth proportional to 427,462.32, 589,880.28 and 233,869.08 is: 322,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,462.32 : 589,880.28 = 233,869.08 : x
  2. Step 2: Convert to fraction form
    427,462.32/589,880.28 = 233,869.08/x
  3. Step 3: Cross multiply
    427,462.32x = 589,880.28 × 233,869.08
  4. Step 4: Simplify right side
    427,462.32x = 137,954,758,393.74
  5. Step 5: Solve for x
    x = 137,954,758,393.74/427,462.32
  6. Step 6: Final answer
    x = 322,729.63

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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.