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Finding the Fourth Proportional to 338,324.16, 466,915.80 and 187,435.20

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Solution

The fourth proportional to 338,324.16, 466,915.80 and 187,435.20 is: 258,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,324.16 : 466,915.80 = 187,435.20 : x
  2. Step 2: Convert to fraction form
    338,324.16/466,915.80 = 187,435.20/x
  3. Step 3: Cross multiply
    338,324.16x = 466,915.80 × 187,435.20
  4. Step 4: Simplify right side
    338,324.16x = 87,516,456,356.16
  5. Step 5: Solve for x
    x = 87,516,456,356.16/338,324.16
  6. Step 6: Final answer
    x = 258,676.34

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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.