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Finding the Fourth Proportional to 338,258.96, 466,780.90 and 185,298.06

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Solution

The fourth proportional to 338,258.96, 466,780.90 and 185,298.06 is: 255,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,258.96 : 466,780.90 = 185,298.06 : x
  2. Step 2: Convert to fraction form
    338,258.96/466,780.90 = 185,298.06/x
  3. Step 3: Cross multiply
    338,258.96x = 466,780.90 × 185,298.06
  4. Step 4: Simplify right side
    338,258.96x = 86,493,595,215.05
  5. Step 5: Solve for x
    x = 86,493,595,215.05/338,258.96
  6. Step 6: Final answer
    x = 255,702.30

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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.