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Finding the Fourth Proportional to 338,333.78, 466,878.72 and 185,371.76

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Solution

The fourth proportional to 338,333.78, 466,878.72 and 185,371.76 is: 255,801.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,333.78 : 466,878.72 = 185,371.76 : x
  2. Step 2: Convert to fraction form
    338,333.78/466,878.72 = 185,371.76/x
  3. Step 3: Cross multiply
    338,333.78x = 466,878.72 × 185,371.76
  4. Step 4: Simplify right side
    338,333.78x = 86,546,130,032.95
  5. Step 5: Solve for x
    x = 86,546,130,032.95/338,333.78
  6. Step 6: Final answer
    x = 255,801.03

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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.